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Finding the Third Proportional to 922.13 and 2,151.75

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Solution

The third proportional to 922.13 and 2,151.75 is: 5,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.13 : 2,151.75 = 2,151.75 : x
  2. Step 2: Convert to fraction form
    922.13/2,151.75 = 2,151.75/x
  3. Step 3: Cross multiply
    922.13x = 2,151.75 × 2,151.75
  4. Step 4: Simplify right side
    922.13x = 4,630,028.06
  5. Step 5: Solve for x
    x = 4,630,028.06/922.13
  6. Step 6: Final answer
    x = 5,021.04

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.