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Finding the Third Proportional to 386 and 832

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Solution

The third proportional to 386 and 832 is: 1,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    386 : 832 = 832 : x
  2. Step 2: Convert to fraction form
    386/832 = 832/x
  3. Step 3: Cross multiply
    386x = 832 × 832
  4. Step 4: Simplify right side
    386x = 692,224
  5. Step 5: Solve for x
    x = 692,224/386
  6. Step 6: Final answer
    x = 1,793.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.