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Finding the Third Proportional to 161,208 and 351,558

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Solution

The third proportional to 161,208 and 351,558 is: 766,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,208 : 351,558 = 351,558 : x
  2. Step 2: Convert to fraction form
    161,208/351,558 = 351,558/x
  3. Step 3: Cross multiply
    161,208x = 351,558 × 351,558
  4. Step 4: Simplify right side
    161,208x = 123,593,027,364
  5. Step 5: Solve for x
    x = 123,593,027,364/161,208
  6. Step 6: Final answer
    x = 766,668.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.