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Finding the Third Proportional to 103.50 and 235.13

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Solution

The third proportional to 103.50 and 235.13 is: 534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.50 : 235.13 = 235.13 : x
  2. Step 2: Convert to fraction form
    103.50/235.13 = 235.13/x
  3. Step 3: Cross multiply
    103.50x = 235.13 × 235.13
  4. Step 4: Simplify right side
    103.50x = 55,283.77
  5. Step 5: Solve for x
    x = 55,283.77/103.50
  6. Step 6: Final answer
    x = 534.14

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.