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Finding the Third Proportional to 623.25 and 748.50

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Solution

The third proportional to 623.25 and 748.50 is: 898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.25 : 748.50 = 748.50 : x
  2. Step 2: Convert to fraction form
    623.25/748.50 = 748.50/x
  3. Step 3: Cross multiply
    623.25x = 748.50 × 748.50
  4. Step 4: Simplify right side
    623.25x = 560,252.25
  5. Step 5: Solve for x
    x = 560,252.25/623.25
  6. Step 6: Final answer
    x = 898.92

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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.