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Finding the Third Proportional to 193.50 and 297.70

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Solution

The third proportional to 193.50 and 297.70 is: 458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.50 : 297.70 = 297.70 : x
  2. Step 2: Convert to fraction form
    193.50/297.70 = 297.70/x
  3. Step 3: Cross multiply
    193.50x = 297.70 × 297.70
  4. Step 4: Simplify right side
    193.50x = 88,627.15
  5. Step 5: Solve for x
    x = 88,627.15/193.50
  6. Step 6: Final answer
    x = 458.02

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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.