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Finding the Third Proportional to 126,286.50 and 272,603.38

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Solution

The third proportional to 126,286.50 and 272,603.38 is: 588,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.50 : 272,603.38 = 272,603.38 : x
  2. Step 2: Convert to fraction form
    126,286.50/272,603.38 = 272,603.38/x
  3. Step 3: Cross multiply
    126,286.50x = 272,603.38 × 272,603.38
  4. Step 4: Simplify right side
    126,286.50x = 74,312,600,061.39
  5. Step 5: Solve for x
    x = 74,312,600,061.39/126,286.50
  6. Step 6: Final answer
    x = 588,444.53

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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.