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Finding the Third Proportional to 99,170.25 and 148,971.38

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Solution

The third proportional to 99,170.25 and 148,971.38 is: 223,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,170.25 : 148,971.38 = 148,971.38 : x
  2. Step 2: Convert to fraction form
    99,170.25/148,971.38 = 148,971.38/x
  3. Step 3: Cross multiply
    99,170.25x = 148,971.38 × 148,971.38
  4. Step 4: Simplify right side
    99,170.25x = 22,192,470,569.39
  5. Step 5: Solve for x
    x = 22,192,470,569.39/99,170.25
  6. Step 6: Final answer
    x = 223,781.53

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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.