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Finding the Third Proportional to 179,145 and 267,781

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Solution

The third proportional to 179,145 and 267,781 is: 400,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,145 : 267,781 = 267,781 : x
  2. Step 2: Convert to fraction form
    179,145/267,781 = 267,781/x
  3. Step 3: Cross multiply
    179,145x = 267,781 × 267,781
  4. Step 4: Simplify right side
    179,145x = 71,706,663,961
  5. Step 5: Solve for x
    x = 71,706,663,961/179,145
  6. Step 6: Final answer
    x = 400,271.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.