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Finding the Third Proportional to 125,240.63 and 187,861.50

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Solution

The third proportional to 125,240.63 and 187,861.50 is: 281,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,240.63 : 187,861.50 = 187,861.50 : x
  2. Step 2: Convert to fraction form
    125,240.63/187,861.50 = 187,861.50/x
  3. Step 3: Cross multiply
    125,240.63x = 187,861.50 × 187,861.50
  4. Step 4: Simplify right side
    125,240.63x = 35,291,943,182.25
  5. Step 5: Solve for x
    x = 35,291,943,182.25/125,240.63
  6. Step 6: Final answer
    x = 281,793.09

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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.