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Finding the Third Proportional to 103,815 and 160,393

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Solution

The third proportional to 103,815 and 160,393 is: 247,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,815 : 160,393 = 160,393 : x
  2. Step 2: Convert to fraction form
    103,815/160,393 = 160,393/x
  3. Step 3: Cross multiply
    103,815x = 160,393 × 160,393
  4. Step 4: Simplify right side
    103,815x = 25,725,914,449
  5. Step 5: Solve for x
    x = 25,725,914,449/103,815
  6. Step 6: Final answer
    x = 247,805.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.