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Finding the Third Proportional to 36,402 and 76,692

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Solution

The third proportional to 36,402 and 76,692 is: 161,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402 : 76,692 = 76,692 : x
  2. Step 2: Convert to fraction form
    36,402/76,692 = 76,692/x
  3. Step 3: Cross multiply
    36,402x = 76,692 × 76,692
  4. Step 4: Simplify right side
    36,402x = 5,881,662,864
  5. Step 5: Solve for x
    x = 5,881,662,864/36,402
  6. Step 6: Final answer
    x = 161,575.27

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.