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Finding the Third Proportional to 77.63 and 104.63

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Solution

The third proportional to 77.63 and 104.63 is: 141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77.63 : 104.63 = 104.63 : x
  2. Step 2: Convert to fraction form
    77.63/104.63 = 104.63/x
  3. Step 3: Cross multiply
    77.63x = 104.63 × 104.63
  4. Step 4: Simplify right side
    77.63x = 10,946.39
  5. Step 5: Solve for x
    x = 10,946.39/77.63
  6. Step 6: Final answer
    x = 141.02

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.