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Finding the Third Proportional to 126,742 and 272,202

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Solution

The third proportional to 126,742 and 272,202 is: 584,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742 : 272,202 = 272,202 : x
  2. Step 2: Convert to fraction form
    126,742/272,202 = 272,202/x
  3. Step 3: Cross multiply
    126,742x = 272,202 × 272,202
  4. Step 4: Simplify right side
    126,742x = 74,093,928,804
  5. Step 5: Solve for x
    x = 74,093,928,804/126,742
  6. Step 6: Final answer
    x = 584,604.38

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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.