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Finding the Third Proportional to 45,966 and 67,489

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Solution

The third proportional to 45,966 and 67,489 is: 99,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,966 : 67,489 = 67,489 : x
  2. Step 2: Convert to fraction form
    45,966/67,489 = 67,489/x
  3. Step 3: Cross multiply
    45,966x = 67,489 × 67,489
  4. Step 4: Simplify right side
    45,966x = 4,554,765,121
  5. Step 5: Solve for x
    x = 4,554,765,121/45,966
  6. Step 6: Final answer
    x = 99,089.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.