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Finding the Third Proportional to 29.63 and 43.13

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Solution

The third proportional to 29.63 and 43.13 is: 62.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.63 : 43.13 = 43.13 : x
  2. Step 2: Convert to fraction form
    29.63/43.13 = 43.13/x
  3. Step 3: Cross multiply
    29.63x = 43.13 × 43.13
  4. Step 4: Simplify right side
    29.63x = 1,859.77
  5. Step 5: Solve for x
    x = 1,859.77/29.63
  6. Step 6: Final answer
    x = 62.78

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.