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Finding the Third Proportional to 38,999.25 and 55,729.13

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Solution

The third proportional to 38,999.25 and 55,729.13 is: 79,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.25 : 55,729.13 = 55,729.13 : x
  2. Step 2: Convert to fraction form
    38,999.25/55,729.13 = 55,729.13/x
  3. Step 3: Cross multiply
    38,999.25x = 55,729.13 × 55,729.13
  4. Step 4: Simplify right side
    38,999.25x = 3,105,735,373.27
  5. Step 5: Solve for x
    x = 3,105,735,373.27/38,999.25
  6. Step 6: Final answer
    x = 79,635.77

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.