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Finding the Third Proportional to 442.13 and 965.25

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Solution

The third proportional to 442.13 and 965.25 is: 2,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.13 : 965.25 = 965.25 : x
  2. Step 2: Convert to fraction form
    442.13/965.25 = 965.25/x
  3. Step 3: Cross multiply
    442.13x = 965.25 × 965.25
  4. Step 4: Simplify right side
    442.13x = 931,707.56
  5. Step 5: Solve for x
    x = 931,707.56/442.13
  6. Step 6: Final answer
    x = 2,107.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.