Home / 207,108,556.50-321,575,517

Finding the Third Proportional to 207,108,556.50 and 321,575,517

Calculator

Solution

The third proportional to 207,108,556.50 and 321,575,517 is: 499,307,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,108,556.50 : 321,575,517 = 321,575,517 : x
  2. Step 2: Convert to fraction form
    207,108,556.50/321,575,517 = 321,575,517/x
  3. Step 3: Cross multiply
    207,108,556.50x = 321,575,517 × 321,575,517
  4. Step 4: Simplify right side
    207,108,556.50x = 103,410,813,133,817,296
  5. Step 5: Solve for x
    x = 103,410,813,133,817,296/207,108,556.50
  6. Step 6: Final answer
    x = 499,307,295.08

Related Problems

Find third proportional to 103,554,278.25 and 160,787,758.50
Half scale
Find third proportional to 414,217,113 and 643,151,034
Double scale
Find third proportional to 207,108,559 and 321,575,520
Similar ratio
Find third proportional to 310,662,834.75 and 482,363,275.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.