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Finding the Third Proportional to 3,989,770.50 and 6,318,675

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Solution

The third proportional to 3,989,770.50 and 6,318,675 is: 10,007,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,770.50 : 6,318,675 = 6,318,675 : x
  2. Step 2: Convert to fraction form
    3,989,770.50/6,318,675 = 6,318,675/x
  3. Step 3: Cross multiply
    3,989,770.50x = 6,318,675 × 6,318,675
  4. Step 4: Simplify right side
    3,989,770.50x = 39,925,653,755,625
  5. Step 5: Solve for x
    x = 39,925,653,755,625/3,989,770.50
  6. Step 6: Final answer
    x = 10,007,005.10

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.