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Finding the Third Proportional to 497 and 696.50

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Solution

The third proportional to 497 and 696.50 is: 976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497 : 696.50 = 696.50 : x
  2. Step 2: Convert to fraction form
    497/696.50 = 696.50/x
  3. Step 3: Cross multiply
    497x = 696.50 × 696.50
  4. Step 4: Simplify right side
    497x = 485,112.25
  5. Step 5: Solve for x
    x = 485,112.25/497
  6. Step 6: Final answer
    x = 976.08

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