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Finding the Third Proportional to 815.06 and 1,589.06

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Solution

The third proportional to 815.06 and 1,589.06 is: 3,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    815.06 : 1,589.06 = 1,589.06 : x
  2. Step 2: Convert to fraction form
    815.06/1,589.06 = 1,589.06/x
  3. Step 3: Cross multiply
    815.06x = 1,589.06 × 1,589.06
  4. Step 4: Simplify right side
    815.06x = 2,525,119.63
  5. Step 5: Solve for x
    x = 2,525,119.63/815.06
  6. Step 6: Final answer
    x = 3,098.07

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.