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Finding the Third Proportional to 75,373.88 and 112,979.81

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Solution

The third proportional to 75,373.88 and 112,979.81 is: 169,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,373.88 : 112,979.81 = 112,979.81 : x
  2. Step 2: Convert to fraction form
    75,373.88/112,979.81 = 112,979.81/x
  3. Step 3: Cross multiply
    75,373.88x = 112,979.81 × 112,979.81
  4. Step 4: Simplify right side
    75,373.88x = 12,764,438,032.54
  5. Step 5: Solve for x
    x = 12,764,438,032.54/75,373.88
  6. Step 6: Final answer
    x = 169,348.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.