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Finding the Third Proportional to 79,223.91 and 163,982.81

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Solution

The third proportional to 79,223.91 and 163,982.81 is: 339,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223.91 : 163,982.81 = 163,982.81 : x
  2. Step 2: Convert to fraction form
    79,223.91/163,982.81 = 163,982.81/x
  3. Step 3: Cross multiply
    79,223.91x = 163,982.81 × 163,982.81
  4. Step 4: Simplify right side
    79,223.91x = 26,890,362,795.41
  5. Step 5: Solve for x
    x = 26,890,362,795.41/79,223.91
  6. Step 6: Final answer
    x = 339,422.33

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.