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Finding the Third Proportional to 20,366.44 and 30,679.88

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Solution

The third proportional to 20,366.44 and 30,679.88 is: 46,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.44 : 30,679.88 = 30,679.88 : x
  2. Step 2: Convert to fraction form
    20,366.44/30,679.88 = 30,679.88/x
  3. Step 3: Cross multiply
    20,366.44x = 30,679.88 × 30,679.88
  4. Step 4: Simplify right side
    20,366.44x = 941,254,730.02
  5. Step 5: Solve for x
    x = 941,254,730.02/20,366.44
  6. Step 6: Final answer
    x = 46,215.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.