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Finding the Third Proportional to 79,710 and 125,034

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Solution

The third proportional to 79,710 and 125,034 is: 196,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710 : 125,034 = 125,034 : x
  2. Step 2: Convert to fraction form
    79,710/125,034 = 125,034/x
  3. Step 3: Cross multiply
    79,710x = 125,034 × 125,034
  4. Step 4: Simplify right side
    79,710x = 15,633,501,156
  5. Step 5: Solve for x
    x = 15,633,501,156/79,710
  6. Step 6: Final answer
    x = 196,129.73

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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.