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Finding the Third Proportional to 1,779.33 and 2,764.55

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Solution

The third proportional to 1,779.33 and 2,764.55 is: 4,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.33 : 2,764.55 = 2,764.55 : x
  2. Step 2: Convert to fraction form
    1,779.33/2,764.55 = 2,764.55/x
  3. Step 3: Cross multiply
    1,779.33x = 2,764.55 × 2,764.55
  4. Step 4: Simplify right side
    1,779.33x = 7,642,719.42
  5. Step 5: Solve for x
    x = 7,642,719.42/1,779.33
  6. Step 6: Final answer
    x = 4,295.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.