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Finding the Third Proportional to 137,270.25 and 208,545.75

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Solution

The third proportional to 137,270.25 and 208,545.75 is: 316,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,270.25 : 208,545.75 = 208,545.75 : x
  2. Step 2: Convert to fraction form
    137,270.25/208,545.75 = 208,545.75/x
  3. Step 3: Cross multiply
    137,270.25x = 208,545.75 × 208,545.75
  4. Step 4: Simplify right side
    137,270.25x = 43,491,329,843.06
  5. Step 5: Solve for x
    x = 43,491,329,843.06/137,270.25
  6. Step 6: Final answer
    x = 316,829.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.