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Finding the Third Proportional to 127,620.56 and 275,132.95

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Solution

The third proportional to 127,620.56 and 275,132.95 is: 593,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,620.56 : 275,132.95 = 275,132.95 : x
  2. Step 2: Convert to fraction form
    127,620.56/275,132.95 = 275,132.95/x
  3. Step 3: Cross multiply
    127,620.56x = 275,132.95 × 275,132.95
  4. Step 4: Simplify right side
    127,620.56x = 75,698,141,895.28
  5. Step 5: Solve for x
    x = 75,698,141,895.28/127,620.56
  6. Step 6: Final answer
    x = 593,150.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.