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Finding the Third Proportional to 37,861 and 79,644

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Solution

The third proportional to 37,861 and 79,644 is: 167,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,861 : 79,644 = 79,644 : x
  2. Step 2: Convert to fraction form
    37,861/79,644 = 79,644/x
  3. Step 3: Cross multiply
    37,861x = 79,644 × 79,644
  4. Step 4: Simplify right side
    37,861x = 6,343,166,736
  5. Step 5: Solve for x
    x = 6,343,166,736/37,861
  6. Step 6: Final answer
    x = 167,538.28

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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.