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Finding the Third Proportional to 126,988 and 276,552

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Solution

The third proportional to 126,988 and 276,552 is: 602,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,988 : 276,552 = 276,552 : x
  2. Step 2: Convert to fraction form
    126,988/276,552 = 276,552/x
  3. Step 3: Cross multiply
    126,988x = 276,552 × 276,552
  4. Step 4: Simplify right side
    126,988x = 76,481,008,704
  5. Step 5: Solve for x
    x = 76,481,008,704/126,988
  6. Step 6: Final answer
    x = 602,269.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.