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Finding the Third Proportional to 40,732 and 84,864

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Solution

The third proportional to 40,732 and 84,864 is: 176,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732 : 84,864 = 84,864 : x
  2. Step 2: Convert to fraction form
    40,732/84,864 = 84,864/x
  3. Step 3: Cross multiply
    40,732x = 84,864 × 84,864
  4. Step 4: Simplify right side
    40,732x = 7,201,898,496
  5. Step 5: Solve for x
    x = 7,201,898,496/40,732
  6. Step 6: Final answer
    x = 176,811.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.