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Finding the Third Proportional to 1,864 and 5,059

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Solution

The third proportional to 1,864 and 5,059 is: 13,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864 : 5,059 = 5,059 : x
  2. Step 2: Convert to fraction form
    1,864/5,059 = 5,059/x
  3. Step 3: Cross multiply
    1,864x = 5,059 × 5,059
  4. Step 4: Simplify right side
    1,864x = 25,593,481
  5. Step 5: Solve for x
    x = 25,593,481/1,864
  6. Step 6: Final answer
    x = 13,730.41

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.