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Finding the Third Proportional to 15,626.04 and 25,387.80

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Solution

The third proportional to 15,626.04 and 25,387.80 is: 41,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.04 : 25,387.80 = 25,387.80 : x
  2. Step 2: Convert to fraction form
    15,626.04/25,387.80 = 25,387.80/x
  3. Step 3: Cross multiply
    15,626.04x = 25,387.80 × 25,387.80
  4. Step 4: Simplify right side
    15,626.04x = 644,540,626.85
  5. Step 5: Solve for x
    x = 644,540,626.85/15,626.04
  6. Step 6: Final answer
    x = 41,247.86

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.