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Finding the Third Proportional to 47.63 and 124.13

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Solution

The third proportional to 47.63 and 124.13 is: 323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.63 : 124.13 = 124.13 : x
  2. Step 2: Convert to fraction form
    47.63/124.13 = 124.13/x
  3. Step 3: Cross multiply
    47.63x = 124.13 × 124.13
  4. Step 4: Simplify right side
    47.63x = 15,407.02
  5. Step 5: Solve for x
    x = 15,407.02/47.63
  6. Step 6: Final answer
    x = 323.51

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Why These Related Problems?

These problems maintain the same ratio (2.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.