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Finding the Third Proportional to 7,672 and 16,118

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Solution

The third proportional to 7,672 and 16,118 is: 33,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672 : 16,118 = 16,118 : x
  2. Step 2: Convert to fraction form
    7,672/16,118 = 16,118/x
  3. Step 3: Cross multiply
    7,672x = 16,118 × 16,118
  4. Step 4: Simplify right side
    7,672x = 259,789,924
  5. Step 5: Solve for x
    x = 259,789,924/7,672
  6. Step 6: Final answer
    x = 33,862.09

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.