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Finding the Third Proportional to 5,451 and 12,535.50

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Solution

The third proportional to 5,451 and 12,535.50 is: 28,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451 : 12,535.50 = 12,535.50 : x
  2. Step 2: Convert to fraction form
    5,451/12,535.50 = 12,535.50/x
  3. Step 3: Cross multiply
    5,451x = 12,535.50 × 12,535.50
  4. Step 4: Simplify right side
    5,451x = 157,138,760.25
  5. Step 5: Solve for x
    x = 157,138,760.25/5,451
  6. Step 6: Final answer
    x = 28,827.51

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.