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Finding the Third Proportional to 391,690,722 and 592,573,761

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Solution

The third proportional to 391,690,722 and 592,573,761 is: 896,481,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,690,722 : 592,573,761 = 592,573,761 : x
  2. Step 2: Convert to fraction form
    391,690,722/592,573,761 = 592,573,761/x
  3. Step 3: Cross multiply
    391,690,722x = 592,573,761 × 592,573,761
  4. Step 4: Simplify right side
    391,690,722x = 351,143,662,225,685,120
  5. Step 5: Solve for x
    x = 351,143,662,225,685,120/391,690,722
  6. Step 6: Final answer
    x = 896,481,949.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.