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Finding the Third Proportional to 127,605.38 and 195,869.25

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Solution

The third proportional to 127,605.38 and 195,869.25 is: 300,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,605.38 : 195,869.25 = 195,869.25 : x
  2. Step 2: Convert to fraction form
    127,605.38/195,869.25 = 195,869.25/x
  3. Step 3: Cross multiply
    127,605.38x = 195,869.25 × 195,869.25
  4. Step 4: Simplify right side
    127,605.38x = 38,364,763,095.56
  5. Step 5: Solve for x
    x = 38,364,763,095.56/127,605.38
  6. Step 6: Final answer
    x = 300,651.62

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.