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Finding the Third Proportional to 3,369 and 6,798.75

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Solution

The third proportional to 3,369 and 6,798.75 is: 13,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369 : 6,798.75 = 6,798.75 : x
  2. Step 2: Convert to fraction form
    3,369/6,798.75 = 6,798.75/x
  3. Step 3: Cross multiply
    3,369x = 6,798.75 × 6,798.75
  4. Step 4: Simplify right side
    3,369x = 46,223,001.56
  5. Step 5: Solve for x
    x = 46,223,001.56/3,369
  6. Step 6: Final answer
    x = 13,720.10

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.