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Finding the Third Proportional to 47,445.75 and 74,044.13

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Solution

The third proportional to 47,445.75 and 74,044.13 is: 115,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,445.75 : 74,044.13 = 74,044.13 : x
  2. Step 2: Convert to fraction form
    47,445.75/74,044.13 = 74,044.13/x
  3. Step 3: Cross multiply
    47,445.75x = 74,044.13 × 74,044.13
  4. Step 4: Simplify right side
    47,445.75x = 5,482,532,447.02
  5. Step 5: Solve for x
    x = 5,482,532,447.02/47,445.75
  6. Step 6: Final answer
    x = 115,553.71

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.