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Finding the Third Proportional to 4,581 and 6,860

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Solution

The third proportional to 4,581 and 6,860 is: 10,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581 : 6,860 = 6,860 : x
  2. Step 2: Convert to fraction form
    4,581/6,860 = 6,860/x
  3. Step 3: Cross multiply
    4,581x = 6,860 × 6,860
  4. Step 4: Simplify right side
    4,581x = 47,059,600
  5. Step 5: Solve for x
    x = 47,059,600/4,581
  6. Step 6: Final answer
    x = 10,272.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.