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Finding the Third Proportional to 19.60 and 26.35

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Solution

The third proportional to 19.60 and 26.35 is: 35.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.60 : 26.35 = 26.35 : x
  2. Step 2: Convert to fraction form
    19.60/26.35 = 26.35/x
  3. Step 3: Cross multiply
    19.60x = 26.35 × 26.35
  4. Step 4: Simplify right side
    19.60x = 694.57
  5. Step 5: Solve for x
    x = 694.57/19.60
  6. Step 6: Final answer
    x = 35.44

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.