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Finding the Third Proportional to 1,763.65 and 3,805.73

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Solution

The third proportional to 1,763.65 and 3,805.73 is: 8,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.65 : 3,805.73 = 3,805.73 : x
  2. Step 2: Convert to fraction form
    1,763.65/3,805.73 = 3,805.73/x
  3. Step 3: Cross multiply
    1,763.65x = 3,805.73 × 3,805.73
  4. Step 4: Simplify right side
    1,763.65x = 14,483,614.13
  5. Step 5: Solve for x
    x = 14,483,614.13/1,763.65
  6. Step 6: Final answer
    x = 8,212.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.