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Finding the Third Proportional to 17.86 and 26.51

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Solution

The third proportional to 17.86 and 26.51 is: 39.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.86 : 26.51 = 26.51 : x
  2. Step 2: Convert to fraction form
    17.86/26.51 = 26.51/x
  3. Step 3: Cross multiply
    17.86x = 26.51 × 26.51
  4. Step 4: Simplify right side
    17.86x = 702.66
  5. Step 5: Solve for x
    x = 702.66/17.86
  6. Step 6: Final answer
    x = 39.34

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.