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Finding the Third Proportional to 116,918 and 252,519

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Solution

The third proportional to 116,918 and 252,519 is: 545,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,918 : 252,519 = 252,519 : x
  2. Step 2: Convert to fraction form
    116,918/252,519 = 252,519/x
  3. Step 3: Cross multiply
    116,918x = 252,519 × 252,519
  4. Step 4: Simplify right side
    116,918x = 63,765,845,361
  5. Step 5: Solve for x
    x = 63,765,845,361/116,918
  6. Step 6: Final answer
    x = 545,389.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.