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Finding the Third Proportional to 44.25 and 69.50

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Solution

The third proportional to 44.25 and 69.50 is: 109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.25 : 69.50 = 69.50 : x
  2. Step 2: Convert to fraction form
    44.25/69.50 = 69.50/x
  3. Step 3: Cross multiply
    44.25x = 69.50 × 69.50
  4. Step 4: Simplify right side
    44.25x = 4,830.25
  5. Step 5: Solve for x
    x = 4,830.25/44.25
  6. Step 6: Final answer
    x = 109.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.