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Finding the Third Proportional to 808.75 and 1,799.75

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Solution

The third proportional to 808.75 and 1,799.75 is: 4,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    808.75 : 1,799.75 = 1,799.75 : x
  2. Step 2: Convert to fraction form
    808.75/1,799.75 = 1,799.75/x
  3. Step 3: Cross multiply
    808.75x = 1,799.75 × 1,799.75
  4. Step 4: Simplify right side
    808.75x = 3,239,100.06
  5. Step 5: Solve for x
    x = 3,239,100.06/808.75
  6. Step 6: Final answer
    x = 4,005.07

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.