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Finding the Third Proportional to 132,356 and 285,448

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Solution

The third proportional to 132,356 and 285,448 is: 615,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356 : 285,448 = 285,448 : x
  2. Step 2: Convert to fraction form
    132,356/285,448 = 285,448/x
  3. Step 3: Cross multiply
    132,356x = 285,448 × 285,448
  4. Step 4: Simplify right side
    132,356x = 81,480,560,704
  5. Step 5: Solve for x
    x = 81,480,560,704/132,356
  6. Step 6: Final answer
    x = 615,616.68

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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.