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Finding the Third Proportional to 6,976 and 15,222

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Solution

The third proportional to 6,976 and 15,222 is: 33,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976 : 15,222 = 15,222 : x
  2. Step 2: Convert to fraction form
    6,976/15,222 = 15,222/x
  3. Step 3: Cross multiply
    6,976x = 15,222 × 15,222
  4. Step 4: Simplify right side
    6,976x = 231,709,284
  5. Step 5: Solve for x
    x = 231,709,284/6,976
  6. Step 6: Final answer
    x = 33,215.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.