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Finding the Third Proportional to 1,560.75 and 3,410.25

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Solution

The third proportional to 1,560.75 and 3,410.25 is: 7,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.75 : 3,410.25 = 3,410.25 : x
  2. Step 2: Convert to fraction form
    1,560.75/3,410.25 = 3,410.25/x
  3. Step 3: Cross multiply
    1,560.75x = 3,410.25 × 3,410.25
  4. Step 4: Simplify right side
    1,560.75x = 11,629,805.06
  5. Step 5: Solve for x
    x = 11,629,805.06/1,560.75
  6. Step 6: Final answer
    x = 7,451.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.