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Finding the Third Proportional to 85,910.25 and 126,290.63

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Solution

The third proportional to 85,910.25 and 126,290.63 is: 185,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,910.25 : 126,290.63 = 126,290.63 : x
  2. Step 2: Convert to fraction form
    85,910.25/126,290.63 = 126,290.63/x
  3. Step 3: Cross multiply
    85,910.25x = 126,290.63 × 126,290.63
  4. Step 4: Simplify right side
    85,910.25x = 15,949,321,962.89
  5. Step 5: Solve for x
    x = 15,949,321,962.89/85,910.25
  6. Step 6: Final answer
    x = 185,650.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.