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Finding the Third Proportional to 234 and 417.50

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Solution

The third proportional to 234 and 417.50 is: 744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234 : 417.50 = 417.50 : x
  2. Step 2: Convert to fraction form
    234/417.50 = 417.50/x
  3. Step 3: Cross multiply
    234x = 417.50 × 417.50
  4. Step 4: Simplify right side
    234x = 174,306.25
  5. Step 5: Solve for x
    x = 174,306.25/234
  6. Step 6: Final answer
    x = 744.90

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These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.