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Finding the Third Proportional to 13,220.50 and 29,057

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Solution

The third proportional to 13,220.50 and 29,057 is: 63,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.50 : 29,057 = 29,057 : x
  2. Step 2: Convert to fraction form
    13,220.50/29,057 = 29,057/x
  3. Step 3: Cross multiply
    13,220.50x = 29,057 × 29,057
  4. Step 4: Simplify right side
    13,220.50x = 844,309,249
  5. Step 5: Solve for x
    x = 844,309,249/13,220.50
  6. Step 6: Final answer
    x = 63,863.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.