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Finding the Third Proportional to 661 and 746

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Solution

The third proportional to 661 and 746 is: 841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    661 : 746 = 746 : x
  2. Step 2: Convert to fraction form
    661/746 = 746/x
  3. Step 3: Cross multiply
    661x = 746 × 746
  4. Step 4: Simplify right side
    661x = 556,516
  5. Step 5: Solve for x
    x = 556,516/661
  6. Step 6: Final answer
    x = 841.93

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