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Finding the Third Proportional to 12,962 and 28,660

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Solution

The third proportional to 12,962 and 28,660 is: 63,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962 : 28,660 = 28,660 : x
  2. Step 2: Convert to fraction form
    12,962/28,660 = 28,660/x
  3. Step 3: Cross multiply
    12,962x = 28,660 × 28,660
  4. Step 4: Simplify right side
    12,962x = 821,395,600
  5. Step 5: Solve for x
    x = 821,395,600/12,962
  6. Step 6: Final answer
    x = 63,369.51

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.