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Finding the Third Proportional to 7,452 and 12,275

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Solution

The third proportional to 7,452 and 12,275 is: 20,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452 : 12,275 = 12,275 : x
  2. Step 2: Convert to fraction form
    7,452/12,275 = 12,275/x
  3. Step 3: Cross multiply
    7,452x = 12,275 × 12,275
  4. Step 4: Simplify right side
    7,452x = 150,675,625
  5. Step 5: Solve for x
    x = 150,675,625/7,452
  6. Step 6: Final answer
    x = 20,219.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.