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Finding the Third Proportional to 10,140.19 and 22,330.69

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Solution

The third proportional to 10,140.19 and 22,330.69 is: 49,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.19 : 22,330.69 = 22,330.69 : x
  2. Step 2: Convert to fraction form
    10,140.19/22,330.69 = 22,330.69/x
  3. Step 3: Cross multiply
    10,140.19x = 22,330.69 × 22,330.69
  4. Step 4: Simplify right side
    10,140.19x = 498,659,604.22
  5. Step 5: Solve for x
    x = 498,659,604.22/10,140.19
  6. Step 6: Final answer
    x = 49,176.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.