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Finding the Third Proportional to 606.56 and 806.06

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Solution

The third proportional to 606.56 and 806.06 is: 1,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.56 : 806.06 = 806.06 : x
  2. Step 2: Convert to fraction form
    606.56/806.06 = 806.06/x
  3. Step 3: Cross multiply
    606.56x = 806.06 × 806.06
  4. Step 4: Simplify right side
    606.56x = 649,736.75
  5. Step 5: Solve for x
    x = 649,736.75/606.56
  6. Step 6: Final answer
    x = 1,071.18

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.