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Finding the Third Proportional to 3,210 and 6,792

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Solution

The third proportional to 3,210 and 6,792 is: 14,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210 : 6,792 = 6,792 : x
  2. Step 2: Convert to fraction form
    3,210/6,792 = 6,792/x
  3. Step 3: Cross multiply
    3,210x = 6,792 × 6,792
  4. Step 4: Simplify right side
    3,210x = 46,131,264
  5. Step 5: Solve for x
    x = 46,131,264/3,210
  6. Step 6: Final answer
    x = 14,371.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.