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Finding the Third Proportional to 287,583 and 625,359

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Solution

The third proportional to 287,583 and 625,359 is: 1,359,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,583 : 625,359 = 625,359 : x
  2. Step 2: Convert to fraction form
    287,583/625,359 = 625,359/x
  3. Step 3: Cross multiply
    287,583x = 625,359 × 625,359
  4. Step 4: Simplify right side
    287,583x = 391,073,878,881
  5. Step 5: Solve for x
    x = 391,073,878,881/287,583
  6. Step 6: Final answer
    x = 1,359,864.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.