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Finding the Third Proportional to 161,055 and 353,970

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Solution

The third proportional to 161,055 and 353,970 is: 777,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,055 : 353,970 = 353,970 : x
  2. Step 2: Convert to fraction form
    161,055/353,970 = 353,970/x
  3. Step 3: Cross multiply
    161,055x = 353,970 × 353,970
  4. Step 4: Simplify right side
    161,055x = 125,294,760,900
  5. Step 5: Solve for x
    x = 125,294,760,900/161,055
  6. Step 6: Final answer
    x = 777,962.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.