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Finding the Third Proportional to 1,779.47 and 2,675.53

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Solution

The third proportional to 1,779.47 and 2,675.53 is: 4,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.47 : 2,675.53 = 2,675.53 : x
  2. Step 2: Convert to fraction form
    1,779.47/2,675.53 = 2,675.53/x
  3. Step 3: Cross multiply
    1,779.47x = 2,675.53 × 2,675.53
  4. Step 4: Simplify right side
    1,779.47x = 7,158,467.47
  5. Step 5: Solve for x
    x = 7,158,467.47/1,779.47
  6. Step 6: Final answer
    x = 4,022.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.