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Finding the Third Proportional to 79,858 and 175,268

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Solution

The third proportional to 79,858 and 175,268 is: 384,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,858 : 175,268 = 175,268 : x
  2. Step 2: Convert to fraction form
    79,858/175,268 = 175,268/x
  3. Step 3: Cross multiply
    79,858x = 175,268 × 175,268
  4. Step 4: Simplify right side
    79,858x = 30,718,871,824
  5. Step 5: Solve for x
    x = 30,718,871,824/79,858
  6. Step 6: Final answer
    x = 384,668.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.