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Finding the Third Proportional to 103,618 and 137,535

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Solution

The third proportional to 103,618 and 137,535 is: 182,553.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618 : 137,535 = 137,535 : x
  2. Step 2: Convert to fraction form
    103,618/137,535 = 137,535/x
  3. Step 3: Cross multiply
    103,618x = 137,535 × 137,535
  4. Step 4: Simplify right side
    103,618x = 18,915,876,225
  5. Step 5: Solve for x
    x = 18,915,876,225/103,618
  6. Step 6: Final answer
    x = 182,553.96

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.