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Finding the Third Proportional to 102.94 and 243.77

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Solution

The third proportional to 102.94 and 243.77 is: 577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102.94 : 243.77 = 243.77 : x
  2. Step 2: Convert to fraction form
    102.94/243.77 = 243.77/x
  3. Step 3: Cross multiply
    102.94x = 243.77 × 243.77
  4. Step 4: Simplify right side
    102.94x = 59,425.49
  5. Step 5: Solve for x
    x = 59,425.49/102.94
  6. Step 6: Final answer
    x = 577.30

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.