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Finding the Third Proportional to 445.92 and 922.92

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Solution

The third proportional to 445.92 and 922.92 is: 1,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.92 : 922.92 = 922.92 : x
  2. Step 2: Convert to fraction form
    445.92/922.92 = 922.92/x
  3. Step 3: Cross multiply
    445.92x = 922.92 × 922.92
  4. Step 4: Simplify right side
    445.92x = 851,784.79
  5. Step 5: Solve for x
    x = 851,784.79/445.92
  6. Step 6: Final answer
    x = 1,910.17

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.