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Finding the Third Proportional to 115,182 and 168,642

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Solution

The third proportional to 115,182 and 168,642 is: 246,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182 : 168,642 = 168,642 : x
  2. Step 2: Convert to fraction form
    115,182/168,642 = 168,642/x
  3. Step 3: Cross multiply
    115,182x = 168,642 × 168,642
  4. Step 4: Simplify right side
    115,182x = 28,440,124,164
  5. Step 5: Solve for x
    x = 28,440,124,164/115,182
  6. Step 6: Final answer
    x = 246,914.66

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.