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Finding the Third Proportional to 17.56 and 28.00

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Solution

The third proportional to 17.56 and 28.00 is: 44.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.56 : 28.00 = 28.00 : x
  2. Step 2: Convert to fraction form
    17.56/28.00 = 28.00/x
  3. Step 3: Cross multiply
    17.56x = 28.00 × 28.00
  4. Step 4: Simplify right side
    17.56x = 784.11
  5. Step 5: Solve for x
    x = 784.11/17.56
  6. Step 6: Final answer
    x = 44.65

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.