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Finding the Third Proportional to 144,938 and 216,741

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Solution

The third proportional to 144,938 and 216,741 is: 324,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938 : 216,741 = 216,741 : x
  2. Step 2: Convert to fraction form
    144,938/216,741 = 216,741/x
  3. Step 3: Cross multiply
    144,938x = 216,741 × 216,741
  4. Step 4: Simplify right side
    144,938x = 46,976,661,081
  5. Step 5: Solve for x
    x = 46,976,661,081/144,938
  6. Step 6: Final answer
    x = 324,115.56

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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.