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Finding the Third Proportional to 4,259.38 and 9,166.75

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Solution

The third proportional to 4,259.38 and 9,166.75 is: 19,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.38 : 9,166.75 = 9,166.75 : x
  2. Step 2: Convert to fraction form
    4,259.38/9,166.75 = 9,166.75/x
  3. Step 3: Cross multiply
    4,259.38x = 9,166.75 × 9,166.75
  4. Step 4: Simplify right side
    4,259.38x = 84,029,305.56
  5. Step 5: Solve for x
    x = 84,029,305.56/4,259.38
  6. Step 6: Final answer
    x = 19,728.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.