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Finding the Third Proportional to 1,959 and 3,114.75

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Solution

The third proportional to 1,959 and 3,114.75 is: 4,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959 : 3,114.75 = 3,114.75 : x
  2. Step 2: Convert to fraction form
    1,959/3,114.75 = 3,114.75/x
  3. Step 3: Cross multiply
    1,959x = 3,114.75 × 3,114.75
  4. Step 4: Simplify right side
    1,959x = 9,701,667.56
  5. Step 5: Solve for x
    x = 9,701,667.56/1,959
  6. Step 6: Final answer
    x = 4,952.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.