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Finding the Third Proportional to 28,279.13 and 60,972.75

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Solution

The third proportional to 28,279.13 and 60,972.75 is: 131,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279.13 : 60,972.75 = 60,972.75 : x
  2. Step 2: Convert to fraction form
    28,279.13/60,972.75 = 60,972.75/x
  3. Step 3: Cross multiply
    28,279.13x = 60,972.75 × 60,972.75
  4. Step 4: Simplify right side
    28,279.13x = 3,717,676,242.56
  5. Step 5: Solve for x
    x = 3,717,676,242.56/28,279.13
  6. Step 6: Final answer
    x = 131,463.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.