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Finding the Third Proportional to 267,711 and 414,527

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Solution

The third proportional to 267,711 and 414,527 is: 641,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,711 : 414,527 = 414,527 : x
  2. Step 2: Convert to fraction form
    267,711/414,527 = 414,527/x
  3. Step 3: Cross multiply
    267,711x = 414,527 × 414,527
  4. Step 4: Simplify right side
    267,711x = 171,832,633,729
  5. Step 5: Solve for x
    x = 171,832,633,729/267,711
  6. Step 6: Final answer
    x = 641,858.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.