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Finding the Third Proportional to 36,318 and 77,562

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Solution

The third proportional to 36,318 and 77,562 is: 165,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318 : 77,562 = 77,562 : x
  2. Step 2: Convert to fraction form
    36,318/77,562 = 77,562/x
  3. Step 3: Cross multiply
    36,318x = 77,562 × 77,562
  4. Step 4: Simplify right side
    36,318x = 6,015,863,844
  5. Step 5: Solve for x
    x = 6,015,863,844/36,318
  6. Step 6: Final answer
    x = 165,644.14

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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.