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Finding the Third Proportional to 805.50 and 1,764.94

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Solution

The third proportional to 805.50 and 1,764.94 is: 3,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    805.50 : 1,764.94 = 1,764.94 : x
  2. Step 2: Convert to fraction form
    805.50/1,764.94 = 1,764.94/x
  3. Step 3: Cross multiply
    805.50x = 1,764.94 × 1,764.94
  4. Step 4: Simplify right side
    805.50x = 3,115,004.38
  5. Step 5: Solve for x
    x = 3,115,004.38/805.50
  6. Step 6: Final answer
    x = 3,867.17

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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.