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Finding the Third Proportional to 84,118.50 and 125,448.75

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Solution

The third proportional to 84,118.50 and 125,448.75 is: 187,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118.50 : 125,448.75 = 125,448.75 : x
  2. Step 2: Convert to fraction form
    84,118.50/125,448.75 = 125,448.75/x
  3. Step 3: Cross multiply
    84,118.50x = 125,448.75 × 125,448.75
  4. Step 4: Simplify right side
    84,118.50x = 15,737,388,876.56
  5. Step 5: Solve for x
    x = 15,737,388,876.56/84,118.50
  6. Step 6: Final answer
    x = 187,085.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.