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Finding the Third Proportional to 74,278 and 160,393

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Solution

The third proportional to 74,278 and 160,393 is: 346,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278 : 160,393 = 160,393 : x
  2. Step 2: Convert to fraction form
    74,278/160,393 = 160,393/x
  3. Step 3: Cross multiply
    74,278x = 160,393 × 160,393
  4. Step 4: Simplify right side
    74,278x = 25,725,914,449
  5. Step 5: Solve for x
    x = 25,725,914,449/74,278
  6. Step 6: Final answer
    x = 346,346.35

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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.