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Finding the Third Proportional to 15,124.50 and 22,158.75

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Solution

The third proportional to 15,124.50 and 22,158.75 is: 32,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.50 : 22,158.75 = 22,158.75 : x
  2. Step 2: Convert to fraction form
    15,124.50/22,158.75 = 22,158.75/x
  3. Step 3: Cross multiply
    15,124.50x = 22,158.75 × 22,158.75
  4. Step 4: Simplify right side
    15,124.50x = 491,010,201.56
  5. Step 5: Solve for x
    x = 491,010,201.56/15,124.50
  6. Step 6: Final answer
    x = 32,464.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.