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Finding the Third Proportional to 91,708.88 and 136,717.13

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Solution

The third proportional to 91,708.88 and 136,717.13 is: 203,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,708.88 : 136,717.13 = 136,717.13 : x
  2. Step 2: Convert to fraction form
    91,708.88/136,717.13 = 136,717.13/x
  3. Step 3: Cross multiply
    91,708.88x = 136,717.13 × 136,717.13
  4. Step 4: Simplify right side
    91,708.88x = 18,691,572,268.27
  5. Step 5: Solve for x
    x = 18,691,572,268.27/91,708.88
  6. Step 6: Final answer
    x = 203,814.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.