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Finding the Third Proportional to 7,670 and 13,864

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Solution

The third proportional to 7,670 and 13,864 is: 25,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670 : 13,864 = 13,864 : x
  2. Step 2: Convert to fraction form
    7,670/13,864 = 13,864/x
  3. Step 3: Cross multiply
    7,670x = 13,864 × 13,864
  4. Step 4: Simplify right side
    7,670x = 192,210,496
  5. Step 5: Solve for x
    x = 192,210,496/7,670
  6. Step 6: Final answer
    x = 25,060.04

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.