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Finding the Third Proportional to 126,444.48 and 187,740.28

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Solution

The third proportional to 126,444.48 and 187,740.28 is: 278,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,444.48 : 187,740.28 = 187,740.28 : x
  2. Step 2: Convert to fraction form
    126,444.48/187,740.28 = 187,740.28/x
  3. Step 3: Cross multiply
    126,444.48x = 187,740.28 × 187,740.28
  4. Step 4: Simplify right side
    126,444.48x = 35,246,413,203.83
  5. Step 5: Solve for x
    x = 35,246,413,203.83/126,444.48
  6. Step 6: Final answer
    x = 278,750.11

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.