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Finding the Third Proportional to 161,122 and 345,580

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Solution

The third proportional to 161,122 and 345,580 is: 741,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,122 : 345,580 = 345,580 : x
  2. Step 2: Convert to fraction form
    161,122/345,580 = 345,580/x
  3. Step 3: Cross multiply
    161,122x = 345,580 × 345,580
  4. Step 4: Simplify right side
    161,122x = 119,425,536,400
  5. Step 5: Solve for x
    x = 119,425,536,400/161,122
  6. Step 6: Final answer
    x = 741,211.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.