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Finding the Third Proportional to 617.06 and 1,263.09

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Solution

The third proportional to 617.06 and 1,263.09 is: 2,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.06 : 1,263.09 = 1,263.09 : x
  2. Step 2: Convert to fraction form
    617.06/1,263.09 = 1,263.09/x
  3. Step 3: Cross multiply
    617.06x = 1,263.09 × 1,263.09
  4. Step 4: Simplify right side
    617.06x = 1,595,405.82
  5. Step 5: Solve for x
    x = 1,595,405.82/617.06
  6. Step 6: Final answer
    x = 2,585.48

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.