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Finding the Third Proportional to 13,212 and 28,881

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Solution

The third proportional to 13,212 and 28,881 is: 63,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212 : 28,881 = 28,881 : x
  2. Step 2: Convert to fraction form
    13,212/28,881 = 28,881/x
  3. Step 3: Cross multiply
    13,212x = 28,881 × 28,881
  4. Step 4: Simplify right side
    13,212x = 834,112,161
  5. Step 5: Solve for x
    x = 834,112,161/13,212
  6. Step 6: Final answer
    x = 63,132.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.