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Finding the Third Proportional to 127,634 and 272,644

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Solution

The third proportional to 127,634 and 272,644 is: 582,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,634 : 272,644 = 272,644 : x
  2. Step 2: Convert to fraction form
    127,634/272,644 = 272,644/x
  3. Step 3: Cross multiply
    127,634x = 272,644 × 272,644
  4. Step 4: Simplify right side
    127,634x = 74,334,750,736
  5. Step 5: Solve for x
    x = 74,334,750,736/127,634
  6. Step 6: Final answer
    x = 582,405.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.