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Finding the Third Proportional to 146,203 and 320,328

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Solution

The third proportional to 146,203 and 320,328 is: 701,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,203 : 320,328 = 320,328 : x
  2. Step 2: Convert to fraction form
    146,203/320,328 = 320,328/x
  3. Step 3: Cross multiply
    146,203x = 320,328 × 320,328
  4. Step 4: Simplify right side
    146,203x = 102,610,027,584
  5. Step 5: Solve for x
    x = 102,610,027,584/146,203
  6. Step 6: Final answer
    x = 701,832.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.