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Finding the Third Proportional to 140,645.50 and 187,878.75

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Solution

The third proportional to 140,645.50 and 187,878.75 is: 250,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,645.50 : 187,878.75 = 187,878.75 : x
  2. Step 2: Convert to fraction form
    140,645.50/187,878.75 = 187,878.75/x
  3. Step 3: Cross multiply
    140,645.50x = 187,878.75 × 187,878.75
  4. Step 4: Simplify right side
    140,645.50x = 35,298,424,701.56
  5. Step 5: Solve for x
    x = 35,298,424,701.56/140,645.50
  6. Step 6: Final answer
    x = 250,974.43

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.