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Finding the Third Proportional to 15,172.50 and 22,641

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Solution

The third proportional to 15,172.50 and 22,641 is: 33,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.50 : 22,641 = 22,641 : x
  2. Step 2: Convert to fraction form
    15,172.50/22,641 = 22,641/x
  3. Step 3: Cross multiply
    15,172.50x = 22,641 × 22,641
  4. Step 4: Simplify right side
    15,172.50x = 512,614,881
  5. Step 5: Solve for x
    x = 512,614,881/15,172.50
  6. Step 6: Final answer
    x = 33,785.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.