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Finding the Third Proportional to 79,986 and 114,306

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Solution

The third proportional to 79,986 and 114,306 is: 163,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986 : 114,306 = 114,306 : x
  2. Step 2: Convert to fraction form
    79,986/114,306 = 114,306/x
  3. Step 3: Cross multiply
    79,986x = 114,306 × 114,306
  4. Step 4: Simplify right side
    79,986x = 13,065,861,636
  5. Step 5: Solve for x
    x = 13,065,861,636/79,986
  6. Step 6: Final answer
    x = 163,351.86

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.