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Finding the Third Proportional to 163,278 and 239,325

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Solution

The third proportional to 163,278 and 239,325 is: 350,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,278 : 239,325 = 239,325 : x
  2. Step 2: Convert to fraction form
    163,278/239,325 = 239,325/x
  3. Step 3: Cross multiply
    163,278x = 239,325 × 239,325
  4. Step 4: Simplify right side
    163,278x = 57,276,455,625
  5. Step 5: Solve for x
    x = 57,276,455,625/163,278
  6. Step 6: Final answer
    x = 350,791.02

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.