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Finding the Third Proportional to 91,336.78 and 136,633.92

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Solution

The third proportional to 91,336.78 and 136,633.92 is: 204,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,336.78 : 136,633.92 = 136,633.92 : x
  2. Step 2: Convert to fraction form
    91,336.78/136,633.92 = 136,633.92/x
  3. Step 3: Cross multiply
    91,336.78x = 136,633.92 × 136,633.92
  4. Step 4: Simplify right side
    91,336.78x = 18,668,828,606.94
  5. Step 5: Solve for x
    x = 18,668,828,606.94/91,336.78
  6. Step 6: Final answer
    x = 204,395.52

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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.