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Finding the Third Proportional to 1,810.13 and 3,943.13

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Solution

The third proportional to 1,810.13 and 3,943.13 is: 8,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.13 : 3,943.13 = 3,943.13 : x
  2. Step 2: Convert to fraction form
    1,810.13/3,943.13 = 3,943.13/x
  3. Step 3: Cross multiply
    1,810.13x = 3,943.13 × 3,943.13
  4. Step 4: Simplify right side
    1,810.13x = 15,548,234.77
  5. Step 5: Solve for x
    x = 15,548,234.77/1,810.13
  6. Step 6: Final answer
    x = 8,589.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.