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Finding the Third Proportional to 157,914 and 339,252

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Solution

The third proportional to 157,914 and 339,252 is: 728,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,914 : 339,252 = 339,252 : x
  2. Step 2: Convert to fraction form
    157,914/339,252 = 339,252/x
  3. Step 3: Cross multiply
    157,914x = 339,252 × 339,252
  4. Step 4: Simplify right side
    157,914x = 115,091,919,504
  5. Step 5: Solve for x
    x = 115,091,919,504/157,914
  6. Step 6: Final answer
    x = 728,826.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.