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Finding the Third Proportional to 27.84 and 45.88

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Solution

The third proportional to 27.84 and 45.88 is: 75.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.84 : 45.88 = 45.88 : x
  2. Step 2: Convert to fraction form
    27.84/45.88 = 45.88/x
  3. Step 3: Cross multiply
    27.84x = 45.88 × 45.88
  4. Step 4: Simplify right side
    27.84x = 2,104.87
  5. Step 5: Solve for x
    x = 2,104.87/27.84
  6. Step 6: Final answer
    x = 75.60

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.