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Finding the Third Proportional to 26.16 and 39.23

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Solution

The third proportional to 26.16 and 39.23 is: 58.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.16 : 39.23 = 39.23 : x
  2. Step 2: Convert to fraction form
    26.16/39.23 = 39.23/x
  3. Step 3: Cross multiply
    26.16x = 39.23 × 39.23
  4. Step 4: Simplify right side
    26.16x = 1,539.34
  5. Step 5: Solve for x
    x = 1,539.34/26.16
  6. Step 6: Final answer
    x = 58.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.