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Finding the Third Proportional to 16,392 and 35,121

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Solution

The third proportional to 16,392 and 35,121 is: 75,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392 : 35,121 = 35,121 : x
  2. Step 2: Convert to fraction form
    16,392/35,121 = 35,121/x
  3. Step 3: Cross multiply
    16,392x = 35,121 × 35,121
  4. Step 4: Simplify right side
    16,392x = 1,233,484,641
  5. Step 5: Solve for x
    x = 1,233,484,641/16,392
  6. Step 6: Final answer
    x = 75,249.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.