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Finding the Third Proportional to 19.83 and 29.46

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Solution

The third proportional to 19.83 and 29.46 is: 43.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.83 : 29.46 = 29.46 : x
  2. Step 2: Convert to fraction form
    19.83/29.46 = 29.46/x
  3. Step 3: Cross multiply
    19.83x = 29.46 × 29.46
  4. Step 4: Simplify right side
    19.83x = 867.95
  5. Step 5: Solve for x
    x = 867.95/19.83
  6. Step 6: Final answer
    x = 43.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.