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Finding the Third Proportional to 4,915,251.18 and 7,372,878.19

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Solution

The third proportional to 4,915,251.18 and 7,372,878.19 is: 11,059,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915,251.18 : 7,372,878.19 = 7,372,878.19 : x
  2. Step 2: Convert to fraction form
    4,915,251.18/7,372,878.19 = 7,372,878.19/x
  3. Step 3: Cross multiply
    4,915,251.18x = 7,372,878.19 × 7,372,878.19
  4. Step 4: Simplify right side
    4,915,251.18x = 54,359,332,767,713.28
  5. Step 5: Solve for x
    x = 54,359,332,767,713.28/4,915,251.18
  6. Step 6: Final answer
    x = 11,059,319.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.