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Finding the Third Proportional to 921.88 and 2,026

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Solution

The third proportional to 921.88 and 2,026 is: 4,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    921.88 : 2,026 = 2,026 : x
  2. Step 2: Convert to fraction form
    921.88/2,026 = 2,026/x
  3. Step 3: Cross multiply
    921.88x = 2,026 × 2,026
  4. Step 4: Simplify right side
    921.88x = 4,104,676
  5. Step 5: Solve for x
    x = 4,104,676/921.88
  6. Step 6: Final answer
    x = 4,452.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.