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Finding the Third Proportional to 5,847.19 and 10,378.76

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Solution

The third proportional to 5,847.19 and 10,378.76 is: 18,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.19 : 10,378.76 = 10,378.76 : x
  2. Step 2: Convert to fraction form
    5,847.19/10,378.76 = 10,378.76/x
  3. Step 3: Cross multiply
    5,847.19x = 10,378.76 × 10,378.76
  4. Step 4: Simplify right side
    5,847.19x = 107,718,613.73
  5. Step 5: Solve for x
    x = 107,718,613.73/5,847.19
  6. Step 6: Final answer
    x = 18,422.30

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.