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Finding the Third Proportional to 28.48 and 60.51

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Solution

The third proportional to 28.48 and 60.51 is: 128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.48 : 60.51 = 60.51 : x
  2. Step 2: Convert to fraction form
    28.48/60.51 = 60.51/x
  3. Step 3: Cross multiply
    28.48x = 60.51 × 60.51
  4. Step 4: Simplify right side
    28.48x = 3,661.79
  5. Step 5: Solve for x
    x = 3,661.79/28.48
  6. Step 6: Final answer
    x = 128.59

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.