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Finding the Third Proportional to 79,440.75 and 116,727.75

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Solution

The third proportional to 79,440.75 and 116,727.75 is: 171,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.75 : 116,727.75 = 116,727.75 : x
  2. Step 2: Convert to fraction form
    79,440.75/116,727.75 = 116,727.75/x
  3. Step 3: Cross multiply
    79,440.75x = 116,727.75 × 116,727.75
  4. Step 4: Simplify right side
    79,440.75x = 13,625,367,620.06
  5. Step 5: Solve for x
    x = 13,625,367,620.06/79,440.75
  6. Step 6: Final answer
    x = 171,516.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.