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Finding the Third Proportional to 61,165.13 and 89,387.44

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Solution

The third proportional to 61,165.13 and 89,387.44 is: 130,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,165.13 : 89,387.44 = 89,387.44 : x
  2. Step 2: Convert to fraction form
    61,165.13/89,387.44 = 89,387.44/x
  3. Step 3: Cross multiply
    61,165.13x = 89,387.44 × 89,387.44
  4. Step 4: Simplify right side
    61,165.13x = 7,990,113,982.82
  5. Step 5: Solve for x
    x = 7,990,113,982.82/61,165.13
  6. Step 6: Final answer
    x = 130,631.86

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.