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Finding the Third Proportional to 16,425 and 36,126

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Solution

The third proportional to 16,425 and 36,126 is: 79,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425 : 36,126 = 36,126 : x
  2. Step 2: Convert to fraction form
    16,425/36,126 = 36,126/x
  3. Step 3: Cross multiply
    16,425x = 36,126 × 36,126
  4. Step 4: Simplify right side
    16,425x = 1,305,087,876
  5. Step 5: Solve for x
    x = 1,305,087,876/16,425
  6. Step 6: Final answer
    x = 79,457.40

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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.