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Finding the Third Proportional to 1,805.06 and 2,421.84

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Solution

The third proportional to 1,805.06 and 2,421.84 is: 3,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.06 : 2,421.84 = 2,421.84 : x
  2. Step 2: Convert to fraction form
    1,805.06/2,421.84 = 2,421.84/x
  3. Step 3: Cross multiply
    1,805.06x = 2,421.84 × 2,421.84
  4. Step 4: Simplify right side
    1,805.06x = 5,865,327.15
  5. Step 5: Solve for x
    x = 5,865,327.15/1,805.06
  6. Step 6: Final answer
    x = 3,249.38

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.