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Finding the Third Proportional to 804.38 and 1,656.75

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Solution

The third proportional to 804.38 and 1,656.75 is: 3,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.38 : 1,656.75 = 1,656.75 : x
  2. Step 2: Convert to fraction form
    804.38/1,656.75 = 1,656.75/x
  3. Step 3: Cross multiply
    804.38x = 1,656.75 × 1,656.75
  4. Step 4: Simplify right side
    804.38x = 2,744,820.56
  5. Step 5: Solve for x
    x = 2,744,820.56/804.38
  6. Step 6: Final answer
    x = 3,412.36

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.