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Finding the Third Proportional to 119,989 and 180,741

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Solution

The third proportional to 119,989 and 180,741 is: 272,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,989 : 180,741 = 180,741 : x
  2. Step 2: Convert to fraction form
    119,989/180,741 = 180,741/x
  3. Step 3: Cross multiply
    119,989x = 180,741 × 180,741
  4. Step 4: Simplify right side
    119,989x = 32,667,309,081
  5. Step 5: Solve for x
    x = 32,667,309,081/119,989
  6. Step 6: Final answer
    x = 272,252.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.