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Finding the Third Proportional to 115,842 and 253,836

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Solution

The third proportional to 115,842 and 253,836 is: 556,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,842 : 253,836 = 253,836 : x
  2. Step 2: Convert to fraction form
    115,842/253,836 = 253,836/x
  3. Step 3: Cross multiply
    115,842x = 253,836 × 253,836
  4. Step 4: Simplify right side
    115,842x = 64,432,714,896
  5. Step 5: Solve for x
    x = 64,432,714,896/115,842
  6. Step 6: Final answer
    x = 556,212.04

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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.