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Finding the Third Proportional to 91,992.38 and 138,444.19

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Solution

The third proportional to 91,992.38 and 138,444.19 is: 208,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,992.38 : 138,444.19 = 138,444.19 : x
  2. Step 2: Convert to fraction form
    91,992.38/138,444.19 = 138,444.19/x
  3. Step 3: Cross multiply
    91,992.38x = 138,444.19 × 138,444.19
  4. Step 4: Simplify right side
    91,992.38x = 19,166,793,052.54
  5. Step 5: Solve for x
    x = 19,166,793,052.54/91,992.38
  6. Step 6: Final answer
    x = 208,351.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.