Home / 512,730-1,117,720

Finding the Third Proportional to 512,730 and 1,117,720

Calculator

Solution

The third proportional to 512,730 and 1,117,720 is: 2,436,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,730 : 1,117,720 = 1,117,720 : x
  2. Step 2: Convert to fraction form
    512,730/1,117,720 = 1,117,720/x
  3. Step 3: Cross multiply
    512,730x = 1,117,720 × 1,117,720
  4. Step 4: Simplify right side
    512,730x = 1,249,297,998,400
  5. Step 5: Solve for x
    x = 1,249,297,998,400/512,730
  6. Step 6: Final answer
    x = 2,436,561.15

Related Problems

Find third proportional to 256,365 and 558,860
Half scale
Find third proportional to 1,025,460 and 2,235,440
Double scale
Find third proportional to 512,732 and 1,117,724
Similar ratio
Find third proportional to 769,095 and 1,676,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.