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Finding the Third Proportional to 93.75 and 144.88

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Solution

The third proportional to 93.75 and 144.88 is: 223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.75 : 144.88 = 144.88 : x
  2. Step 2: Convert to fraction form
    93.75/144.88 = 144.88/x
  3. Step 3: Cross multiply
    93.75x = 144.88 × 144.88
  4. Step 4: Simplify right side
    93.75x = 20,988.77
  5. Step 5: Solve for x
    x = 20,988.77/93.75
  6. Step 6: Final answer
    x = 223.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.