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Finding the Third Proportional to 127,213 and 273,744

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Solution

The third proportional to 127,213 and 273,744 is: 589,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,213 : 273,744 = 273,744 : x
  2. Step 2: Convert to fraction form
    127,213/273,744 = 273,744/x
  3. Step 3: Cross multiply
    127,213x = 273,744 × 273,744
  4. Step 4: Simplify right side
    127,213x = 74,935,777,536
  5. Step 5: Solve for x
    x = 74,935,777,536/127,213
  6. Step 6: Final answer
    x = 589,057.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.