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Finding the Third Proportional to 24 and 43.31

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Solution

The third proportional to 24 and 43.31 is: 78.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24 : 43.31 = 43.31 : x
  2. Step 2: Convert to fraction form
    24/43.31 = 43.31/x
  3. Step 3: Cross multiply
    24x = 43.31 × 43.31
  4. Step 4: Simplify right side
    24x = 1,875.97
  5. Step 5: Solve for x
    x = 1,875.97/24
  6. Step 6: Final answer
    x = 78.17

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.