Home / 239,142-512,628

Finding the Third Proportional to 239,142 and 512,628

Calculator

Solution

The third proportional to 239,142 and 512,628 is: 1,098,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,142 : 512,628 = 512,628 : x
  2. Step 2: Convert to fraction form
    239,142/512,628 = 512,628/x
  3. Step 3: Cross multiply
    239,142x = 512,628 × 512,628
  4. Step 4: Simplify right side
    239,142x = 262,787,466,384
  5. Step 5: Solve for x
    x = 262,787,466,384/239,142
  6. Step 6: Final answer
    x = 1,098,876.26

Related Problems

Find third proportional to 119,571 and 256,314
Half scale
Find third proportional to 478,284 and 1,025,256
Double scale
Find third proportional to 239,144 and 512,632
Similar ratio
Find third proportional to 358,713 and 768,942
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.