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Finding the Third Proportional to 20,260.13 and 29,190.38

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Solution

The third proportional to 20,260.13 and 29,190.38 is: 42,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.13 : 29,190.38 = 29,190.38 : x
  2. Step 2: Convert to fraction form
    20,260.13/29,190.38 = 29,190.38/x
  3. Step 3: Cross multiply
    20,260.13x = 29,190.38 × 29,190.38
  4. Step 4: Simplify right side
    20,260.13x = 852,077,992.64
  5. Step 5: Solve for x
    x = 852,077,992.64/20,260.13
  6. Step 6: Final answer
    x = 42,056.90

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.