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Finding the Third Proportional to 79,153 and 125,330

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Solution

The third proportional to 79,153 and 125,330 is: 198,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,153 : 125,330 = 125,330 : x
  2. Step 2: Convert to fraction form
    79,153/125,330 = 125,330/x
  3. Step 3: Cross multiply
    79,153x = 125,330 × 125,330
  4. Step 4: Simplify right side
    79,153x = 15,707,608,900
  5. Step 5: Solve for x
    x = 15,707,608,900/79,153
  6. Step 6: Final answer
    x = 198,446.16

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.