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Finding the Third Proportional to 651 and 796.50

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Solution

The third proportional to 651 and 796.50 is: 974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    651 : 796.50 = 796.50 : x
  2. Step 2: Convert to fraction form
    651/796.50 = 796.50/x
  3. Step 3: Cross multiply
    651x = 796.50 × 796.50
  4. Step 4: Simplify right side
    651x = 634,412.25
  5. Step 5: Solve for x
    x = 634,412.25/651
  6. Step 6: Final answer
    x = 974.52

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.