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Finding the Third Proportional to 15,229.90 and 22,718.60

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Solution

The third proportional to 15,229.90 and 22,718.60 is: 33,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.90 : 22,718.60 = 22,718.60 : x
  2. Step 2: Convert to fraction form
    15,229.90/22,718.60 = 22,718.60/x
  3. Step 3: Cross multiply
    15,229.90x = 22,718.60 × 22,718.60
  4. Step 4: Simplify right side
    15,229.90x = 516,134,856.96
  5. Step 5: Solve for x
    x = 516,134,856.96/15,229.90
  6. Step 6: Final answer
    x = 33,889.58

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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.