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Finding the Third Proportional to 161,364 and 349,940

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Solution

The third proportional to 161,364 and 349,940 is: 758,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,364 : 349,940 = 349,940 : x
  2. Step 2: Convert to fraction form
    161,364/349,940 = 349,940/x
  3. Step 3: Cross multiply
    161,364x = 349,940 × 349,940
  4. Step 4: Simplify right side
    161,364x = 122,458,003,600
  5. Step 5: Solve for x
    x = 122,458,003,600/161,364
  6. Step 6: Final answer
    x = 758,892.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.