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Finding the Third Proportional to 126,689.06 and 275,281.88

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Solution

The third proportional to 126,689.06 and 275,281.88 is: 598,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,689.06 : 275,281.88 = 275,281.88 : x
  2. Step 2: Convert to fraction form
    126,689.06/275,281.88 = 275,281.88/x
  3. Step 3: Cross multiply
    126,689.06x = 275,281.88 × 275,281.88
  4. Step 4: Simplify right side
    126,689.06x = 75,780,110,703.52
  5. Step 5: Solve for x
    x = 75,780,110,703.52/126,689.06
  6. Step 6: Final answer
    x = 598,158.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.