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Finding the Third Proportional to 161,256 and 335,586

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Solution

The third proportional to 161,256 and 335,586 is: 698,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,256 : 335,586 = 335,586 : x
  2. Step 2: Convert to fraction form
    161,256/335,586 = 335,586/x
  3. Step 3: Cross multiply
    161,256x = 335,586 × 335,586
  4. Step 4: Simplify right side
    161,256x = 112,617,963,396
  5. Step 5: Solve for x
    x = 112,617,963,396/161,256
  6. Step 6: Final answer
    x = 698,379.99

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.