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Finding the Third Proportional to 423 and 922.88

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Solution

The third proportional to 423 and 922.88 is: 2,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    423 : 922.88 = 922.88 : x
  2. Step 2: Convert to fraction form
    423/922.88 = 922.88/x
  3. Step 3: Cross multiply
    423x = 922.88 × 922.88
  4. Step 4: Simplify right side
    423x = 851,698.27
  5. Step 5: Solve for x
    x = 851,698.27/423
  6. Step 6: Final answer
    x = 2,013.47

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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.