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Finding the Third Proportional to 126,854.44 and 278,818.88

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Solution

The third proportional to 126,854.44 and 278,818.88 is: 612,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,854.44 : 278,818.88 = 278,818.88 : x
  2. Step 2: Convert to fraction form
    126,854.44/278,818.88 = 278,818.88/x
  3. Step 3: Cross multiply
    126,854.44x = 278,818.88 × 278,818.88
  4. Step 4: Simplify right side
    126,854.44x = 77,739,965,056.27
  5. Step 5: Solve for x
    x = 77,739,965,056.27/126,854.44
  6. Step 6: Final answer
    x = 612,828.11

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.