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Finding the Third Proportional to 92.63 and 106.50

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Solution

The third proportional to 92.63 and 106.50 is: 122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.63 : 106.50 = 106.50 : x
  2. Step 2: Convert to fraction form
    92.63/106.50 = 106.50/x
  3. Step 3: Cross multiply
    92.63x = 106.50 × 106.50
  4. Step 4: Simplify right side
    92.63x = 11,342.25
  5. Step 5: Solve for x
    x = 11,342.25/92.63
  6. Step 6: Final answer
    x = 122.45

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.