Home / 239,332-486,512

Finding the Third Proportional to 239,332 and 486,512

Calculator

Solution

The third proportional to 239,332 and 486,512 is: 988,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,332 : 486,512 = 486,512 : x
  2. Step 2: Convert to fraction form
    239,332/486,512 = 486,512/x
  3. Step 3: Cross multiply
    239,332x = 486,512 × 486,512
  4. Step 4: Simplify right side
    239,332x = 236,693,926,144
  5. Step 5: Solve for x
    x = 236,693,926,144/239,332
  6. Step 6: Final answer
    x = 988,977.35

Related Problems

Find third proportional to 119,666 and 243,256
Half scale
Find third proportional to 478,664 and 973,024
Double scale
Find third proportional to 239,334 and 486,516
Similar ratio
Find third proportional to 358,998 and 729,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.