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Finding the Third Proportional to 487,324 and 753,122

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Solution

The third proportional to 487,324 and 753,122 is: 1,163,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,324 : 753,122 = 753,122 : x
  2. Step 2: Convert to fraction form
    487,324/753,122 = 753,122/x
  3. Step 3: Cross multiply
    487,324x = 753,122 × 753,122
  4. Step 4: Simplify right side
    487,324x = 567,192,746,884
  5. Step 5: Solve for x
    x = 567,192,746,884/487,324
  6. Step 6: Final answer
    x = 1,163,892.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.