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Finding the Third Proportional to 132,739 and 286,591

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Solution

The third proportional to 132,739 and 286,591 is: 618,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,739 : 286,591 = 286,591 : x
  2. Step 2: Convert to fraction form
    132,739/286,591 = 286,591/x
  3. Step 3: Cross multiply
    132,739x = 286,591 × 286,591
  4. Step 4: Simplify right side
    132,739x = 82,134,401,281
  5. Step 5: Solve for x
    x = 82,134,401,281/132,739
  6. Step 6: Final answer
    x = 618,766.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.