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Finding the Third Proportional to 88,617.80 and 136,211.91

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Solution

The third proportional to 88,617.80 and 136,211.91 is: 209,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,617.80 : 136,211.91 = 136,211.91 : x
  2. Step 2: Convert to fraction form
    88,617.80/136,211.91 = 136,211.91/x
  3. Step 3: Cross multiply
    88,617.80x = 136,211.91 × 136,211.91
  4. Step 4: Simplify right side
    88,617.80x = 18,553,683,404.26
  5. Step 5: Solve for x
    x = 18,553,683,404.26/88,617.80
  6. Step 6: Final answer
    x = 209,367.46

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.