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Finding the Third Proportional to 38,932 and 79,808

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Solution

The third proportional to 38,932 and 79,808 is: 163,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932 : 79,808 = 79,808 : x
  2. Step 2: Convert to fraction form
    38,932/79,808 = 79,808/x
  3. Step 3: Cross multiply
    38,932x = 79,808 × 79,808
  4. Step 4: Simplify right side
    38,932x = 6,369,316,864
  5. Step 5: Solve for x
    x = 6,369,316,864/38,932
  6. Step 6: Final answer
    x = 163,601.07

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.