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Finding the Third Proportional to 14.75 and 40

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Solution

The third proportional to 14.75 and 40 is: 108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.75 : 40 = 40 : x
  2. Step 2: Convert to fraction form
    14.75/40 = 40/x
  3. Step 3: Cross multiply
    14.75x = 40 × 40
  4. Step 4: Simplify right side
    14.75x = 1,600
  5. Step 5: Solve for x
    x = 1,600/14.75
  6. Step 6: Final answer
    x = 108.47

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.