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Finding the Third Proportional to 93.50 and 143.88

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Solution

The third proportional to 93.50 and 143.88 is: 221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.50 : 143.88 = 143.88 : x
  2. Step 2: Convert to fraction form
    93.50/143.88 = 143.88/x
  3. Step 3: Cross multiply
    93.50x = 143.88 × 143.88
  4. Step 4: Simplify right side
    93.50x = 20,700.02
  5. Step 5: Solve for x
    x = 20,700.02/93.50
  6. Step 6: Final answer
    x = 221.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.