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Finding the Third Proportional to 56.25 and 118

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Solution

The third proportional to 56.25 and 118 is: 247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.25 : 118 = 118 : x
  2. Step 2: Convert to fraction form
    56.25/118 = 118/x
  3. Step 3: Cross multiply
    56.25x = 118 × 118
  4. Step 4: Simplify right side
    56.25x = 13,924
  5. Step 5: Solve for x
    x = 13,924/56.25
  6. Step 6: Final answer
    x = 247.54

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.