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Finding the Third Proportional to 71,934.50 and 108,901

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Solution

The third proportional to 71,934.50 and 108,901 is: 164,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,934.50 : 108,901 = 108,901 : x
  2. Step 2: Convert to fraction form
    71,934.50/108,901 = 108,901/x
  3. Step 3: Cross multiply
    71,934.50x = 108,901 × 108,901
  4. Step 4: Simplify right side
    71,934.50x = 11,859,427,801
  5. Step 5: Solve for x
    x = 11,859,427,801/71,934.50
  6. Step 6: Final answer
    x = 164,864.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.