Home / 385,517-835,390

Finding the Third Proportional to 385,517 and 835,390

Calculator

Solution

The third proportional to 385,517 and 835,390 is: 1,810,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,517 : 835,390 = 835,390 : x
  2. Step 2: Convert to fraction form
    385,517/835,390 = 835,390/x
  3. Step 3: Cross multiply
    385,517x = 835,390 × 835,390
  4. Step 4: Simplify right side
    385,517x = 697,876,452,100
  5. Step 5: Solve for x
    x = 697,876,452,100/385,517
  6. Step 6: Final answer
    x = 1,810,235.22

Related Problems

Find third proportional to 192,758.50 and 417,695
Half scale
Find third proportional to 771,034 and 1,670,780
Double scale
Find third proportional to 385,519 and 835,394
Similar ratio
Find third proportional to 578,275.50 and 1,253,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.