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Finding the Third Proportional to 7,354.13 and 11,851.31

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Solution

The third proportional to 7,354.13 and 11,851.31 is: 19,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.13 : 11,851.31 = 11,851.31 : x
  2. Step 2: Convert to fraction form
    7,354.13/11,851.31 = 11,851.31/x
  3. Step 3: Cross multiply
    7,354.13x = 11,851.31 × 11,851.31
  4. Step 4: Simplify right side
    7,354.13x = 140,453,607.97
  5. Step 5: Solve for x
    x = 140,453,607.97/7,354.13
  6. Step 6: Final answer
    x = 19,098.62

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.