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Finding the Third Proportional to 7,438,359.94 and 11,494,158.19

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Solution

The third proportional to 7,438,359.94 and 11,494,158.19 is: 17,761,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,359.94 : 11,494,158.19 = 11,494,158.19 : x
  2. Step 2: Convert to fraction form
    7,438,359.94/11,494,158.19 = 11,494,158.19/x
  3. Step 3: Cross multiply
    7,438,359.94x = 11,494,158.19 × 11,494,158.19
  4. Step 4: Simplify right side
    7,438,359.94x = 132,115,672,439,273.28
  5. Step 5: Solve for x
    x = 132,115,672,439,273.28/7,438,359.94
  6. Step 6: Final answer
    x = 17,761,398.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.