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Finding the Third Proportional to 79,884 and 125,310

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Solution

The third proportional to 79,884 and 125,310 is: 196,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884 : 125,310 = 125,310 : x
  2. Step 2: Convert to fraction form
    79,884/125,310 = 125,310/x
  3. Step 3: Cross multiply
    79,884x = 125,310 × 125,310
  4. Step 4: Simplify right side
    79,884x = 15,702,596,100
  5. Step 5: Solve for x
    x = 15,702,596,100/79,884
  6. Step 6: Final answer
    x = 196,567.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.