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Finding the Third Proportional to 110,238 and 170,328

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Solution

The third proportional to 110,238 and 170,328 is: 263,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,238 : 170,328 = 170,328 : x
  2. Step 2: Convert to fraction form
    110,238/170,328 = 170,328/x
  3. Step 3: Cross multiply
    110,238x = 170,328 × 170,328
  4. Step 4: Simplify right side
    110,238x = 29,011,627,584
  5. Step 5: Solve for x
    x = 29,011,627,584/110,238
  6. Step 6: Final answer
    x = 263,172.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.