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Finding the Third Proportional to 19.13 and 34.88

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Solution

The third proportional to 19.13 and 34.88 is: 63.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.13 : 34.88 = 34.88 : x
  2. Step 2: Convert to fraction form
    19.13/34.88 = 34.88/x
  3. Step 3: Cross multiply
    19.13x = 34.88 × 34.88
  4. Step 4: Simplify right side
    19.13x = 1,216.27
  5. Step 5: Solve for x
    x = 1,216.27/19.13
  6. Step 6: Final answer
    x = 63.60

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Why These Related Problems?

These problems maintain the same ratio (1.82) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.