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Finding the Third Proportional to 10,479.38 and 15,576.68

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Solution

The third proportional to 10,479.38 and 15,576.68 is: 23,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.38 : 15,576.68 = 15,576.68 : x
  2. Step 2: Convert to fraction form
    10,479.38/15,576.68 = 15,576.68/x
  3. Step 3: Cross multiply
    10,479.38x = 15,576.68 × 15,576.68
  4. Step 4: Simplify right side
    10,479.38x = 242,632,950.09
  5. Step 5: Solve for x
    x = 242,632,950.09/10,479.38
  6. Step 6: Final answer
    x = 23,153.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.