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Finding the Third Proportional to 382 and 546

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Solution

The third proportional to 382 and 546 is: 780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    382 : 546 = 546 : x
  2. Step 2: Convert to fraction form
    382/546 = 546/x
  3. Step 3: Cross multiply
    382x = 546 × 546
  4. Step 4: Simplify right side
    382x = 298,116
  5. Step 5: Solve for x
    x = 298,116/382
  6. Step 6: Final answer
    x = 780.41

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.