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Finding the Third Proportional to 391,690,728 and 592,573,771

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Solution

The third proportional to 391,690,728 and 592,573,771 is: 896,481,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,690,728 : 592,573,771 = 592,573,771 : x
  2. Step 2: Convert to fraction form
    391,690,728/592,573,771 = 592,573,771/x
  3. Step 3: Cross multiply
    391,690,728x = 592,573,771 × 592,573,771
  4. Step 4: Simplify right side
    391,690,728x = 351,143,674,077,160,448
  5. Step 5: Solve for x
    x = 351,143,674,077,160,448/391,690,728
  6. Step 6: Final answer
    x = 896,481,966.45

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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.