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Finding the Third Proportional to 15,319.75 and 23,425

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Solution

The third proportional to 15,319.75 and 23,425 is: 35,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.75 : 23,425 = 23,425 : x
  2. Step 2: Convert to fraction form
    15,319.75/23,425 = 23,425/x
  3. Step 3: Cross multiply
    15,319.75x = 23,425 × 23,425
  4. Step 4: Simplify right side
    15,319.75x = 548,730,625
  5. Step 5: Solve for x
    x = 548,730,625/15,319.75
  6. Step 6: Final answer
    x = 35,818.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.