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Finding the Third Proportional to 61,332.75 and 89,979.75

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Solution

The third proportional to 61,332.75 and 89,979.75 is: 132,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,332.75 : 89,979.75 = 89,979.75 : x
  2. Step 2: Convert to fraction form
    61,332.75/89,979.75 = 89,979.75/x
  3. Step 3: Cross multiply
    61,332.75x = 89,979.75 × 89,979.75
  4. Step 4: Simplify right side
    61,332.75x = 8,096,355,410.06
  5. Step 5: Solve for x
    x = 8,096,355,410.06/61,332.75
  6. Step 6: Final answer
    x = 132,007.05

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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.