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Finding the Third Proportional to 10,764.14 and 15,720.96

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Solution

The third proportional to 10,764.14 and 15,720.96 is: 22,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.14 : 15,720.96 = 15,720.96 : x
  2. Step 2: Convert to fraction form
    10,764.14/15,720.96 = 15,720.96/x
  3. Step 3: Cross multiply
    10,764.14x = 15,720.96 × 15,720.96
  4. Step 4: Simplify right side
    10,764.14x = 247,148,612.80
  5. Step 5: Solve for x
    x = 247,148,612.80/10,764.14
  6. Step 6: Final answer
    x = 22,960.37

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.