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Finding the Third Proportional to 267,602 and 414,579

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Solution

The third proportional to 267,602 and 414,579 is: 642,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,602 : 414,579 = 414,579 : x
  2. Step 2: Convert to fraction form
    267,602/414,579 = 414,579/x
  3. Step 3: Cross multiply
    267,602x = 414,579 × 414,579
  4. Step 4: Simplify right side
    267,602x = 171,875,747,241
  5. Step 5: Solve for x
    x = 171,875,747,241/267,602
  6. Step 6: Final answer
    x = 642,281.25

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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.