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Finding the Third Proportional to 629,704,432 and 987,730,944

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Solution

The third proportional to 629,704,432 and 987,730,944 is: 1,549,318,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,704,432 : 987,730,944 = 987,730,944 : x
  2. Step 2: Convert to fraction form
    629,704,432/987,730,944 = 987,730,944/x
  3. Step 3: Cross multiply
    629,704,432x = 987,730,944 × 987,730,944
  4. Step 4: Simplify right side
    629,704,432x = 975,612,417,735,131,136
  5. Step 5: Solve for x
    x = 975,612,417,735,131,136/629,704,432
  6. Step 6: Final answer
    x = 1,549,318,010.41

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.