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Finding the Third Proportional to 177.13 and 273.63

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Solution

The third proportional to 177.13 and 273.63 is: 422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.13 : 273.63 = 273.63 : x
  2. Step 2: Convert to fraction form
    177.13/273.63 = 273.63/x
  3. Step 3: Cross multiply
    177.13x = 273.63 × 273.63
  4. Step 4: Simplify right side
    177.13x = 74,870.64
  5. Step 5: Solve for x
    x = 74,870.64/177.13
  6. Step 6: Final answer
    x = 422.70

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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.