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Finding the Third Proportional to 3,321 and 4,507.88

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Solution

The third proportional to 3,321 and 4,507.88 is: 6,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321 : 4,507.88 = 4,507.88 : x
  2. Step 2: Convert to fraction form
    3,321/4,507.88 = 4,507.88/x
  3. Step 3: Cross multiply
    3,321x = 4,507.88 × 4,507.88
  4. Step 4: Simplify right side
    3,321x = 20,320,937.02
  5. Step 5: Solve for x
    x = 20,320,937.02/3,321
  6. Step 6: Final answer
    x = 6,118.92

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.