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Finding the Third Proportional to 6,101 and 12,489

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Solution

The third proportional to 6,101 and 12,489 is: 25,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101 : 12,489 = 12,489 : x
  2. Step 2: Convert to fraction form
    6,101/12,489 = 12,489/x
  3. Step 3: Cross multiply
    6,101x = 12,489 × 12,489
  4. Step 4: Simplify right side
    6,101x = 155,975,121
  5. Step 5: Solve for x
    x = 155,975,121/6,101
  6. Step 6: Final answer
    x = 25,565.50

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.