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Finding the Third Proportional to 79,687.13 and 118,634.06

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Solution

The third proportional to 79,687.13 and 118,634.06 is: 176,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,687.13 : 118,634.06 = 118,634.06 : x
  2. Step 2: Convert to fraction form
    79,687.13/118,634.06 = 118,634.06/x
  3. Step 3: Cross multiply
    79,687.13x = 118,634.06 × 118,634.06
  4. Step 4: Simplify right side
    79,687.13x = 14,074,040,785.25
  5. Step 5: Solve for x
    x = 14,074,040,785.25/79,687.13
  6. Step 6: Final answer
    x = 176,616.24

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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.