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Finding the Third Proportional to 165,259 and 356,755

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Solution

The third proportional to 165,259 and 356,755 is: 770,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,259 : 356,755 = 356,755 : x
  2. Step 2: Convert to fraction form
    165,259/356,755 = 356,755/x
  3. Step 3: Cross multiply
    165,259x = 356,755 × 356,755
  4. Step 4: Simplify right side
    165,259x = 127,274,130,025
  5. Step 5: Solve for x
    x = 127,274,130,025/165,259
  6. Step 6: Final answer
    x = 770,149.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.