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Finding the Third Proportional to 766.50 and 848

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Solution

The third proportional to 766.50 and 848 is: 938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    766.50 : 848 = 848 : x
  2. Step 2: Convert to fraction form
    766.50/848 = 848/x
  3. Step 3: Cross multiply
    766.50x = 848 × 848
  4. Step 4: Simplify right side
    766.50x = 719,104
  5. Step 5: Solve for x
    x = 719,104/766.50
  6. Step 6: Final answer
    x = 938.17

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.