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Finding the Third Proportional to 807.75 and 1,767.94

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Solution

The third proportional to 807.75 and 1,767.94 is: 3,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.75 : 1,767.94 = 1,767.94 : x
  2. Step 2: Convert to fraction form
    807.75/1,767.94 = 1,767.94/x
  3. Step 3: Cross multiply
    807.75x = 1,767.94 × 1,767.94
  4. Step 4: Simplify right side
    807.75x = 3,125,603.00
  5. Step 5: Solve for x
    x = 3,125,603.00/807.75
  6. Step 6: Final answer
    x = 3,869.52

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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.