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Finding the Third Proportional to 654 and 769

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Solution

The third proportional to 654 and 769 is: 904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654 : 769 = 769 : x
  2. Step 2: Convert to fraction form
    654/769 = 769/x
  3. Step 3: Cross multiply
    654x = 769 × 769
  4. Step 4: Simplify right side
    654x = 591,361
  5. Step 5: Solve for x
    x = 591,361/654
  6. Step 6: Final answer
    x = 904.22

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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.