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Finding the Third Proportional to 629,704,440 and 987,730,956

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Solution

The third proportional to 629,704,440 and 987,730,956 is: 1,549,318,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,704,440 : 987,730,956 = 987,730,956 : x
  2. Step 2: Convert to fraction form
    629,704,440/987,730,956 = 987,730,956/x
  3. Step 3: Cross multiply
    629,704,440x = 987,730,956 × 987,730,956
  4. Step 4: Simplify right side
    629,704,440x = 975,612,441,440,673,920
  5. Step 5: Solve for x
    x = 975,612,441,440,673,920/629,704,440
  6. Step 6: Final answer
    x = 1,549,318,028.38

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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.