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Finding the Third Proportional to 3,672 and 8,072

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Solution

The third proportional to 3,672 and 8,072 is: 17,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672 : 8,072 = 8,072 : x
  2. Step 2: Convert to fraction form
    3,672/8,072 = 8,072/x
  3. Step 3: Cross multiply
    3,672x = 8,072 × 8,072
  4. Step 4: Simplify right side
    3,672x = 65,157,184
  5. Step 5: Solve for x
    x = 65,157,184/3,672
  6. Step 6: Final answer
    x = 17,744.33

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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.