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Finding the Third Proportional to 13,220.50 and 28,619

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Solution

The third proportional to 13,220.50 and 28,619 is: 61,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.50 : 28,619 = 28,619 : x
  2. Step 2: Convert to fraction form
    13,220.50/28,619 = 28,619/x
  3. Step 3: Cross multiply
    13,220.50x = 28,619 × 28,619
  4. Step 4: Simplify right side
    13,220.50x = 819,047,161
  5. Step 5: Solve for x
    x = 819,047,161/13,220.50
  6. Step 6: Final answer
    x = 61,952.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.