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Finding the Third Proportional to 73,440 and 158,328

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Solution

The third proportional to 73,440 and 158,328 is: 341,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,440 : 158,328 = 158,328 : x
  2. Step 2: Convert to fraction form
    73,440/158,328 = 158,328/x
  3. Step 3: Cross multiply
    73,440x = 158,328 × 158,328
  4. Step 4: Simplify right side
    73,440x = 25,067,755,584
  5. Step 5: Solve for x
    x = 25,067,755,584/73,440
  6. Step 6: Final answer
    x = 341,336.54

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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.