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Finding the Third Proportional to 9,442.97 and 12,779.44

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Solution

The third proportional to 9,442.97 and 12,779.44 is: 17,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.97 : 12,779.44 = 12,779.44 : x
  2. Step 2: Convert to fraction form
    9,442.97/12,779.44 = 12,779.44/x
  3. Step 3: Cross multiply
    9,442.97x = 12,779.44 × 12,779.44
  4. Step 4: Simplify right side
    9,442.97x = 163,314,022.82
  5. Step 5: Solve for x
    x = 163,314,022.82/9,442.97
  6. Step 6: Final answer
    x = 17,294.78

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.