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Finding the Third Proportional to 169,026.75 and 261,589.50

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Solution

The third proportional to 169,026.75 and 261,589.50 is: 404,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,026.75 : 261,589.50 = 261,589.50 : x
  2. Step 2: Convert to fraction form
    169,026.75/261,589.50 = 261,589.50/x
  3. Step 3: Cross multiply
    169,026.75x = 261,589.50 × 261,589.50
  4. Step 4: Simplify right side
    169,026.75x = 68,429,066,510.25
  5. Step 5: Solve for x
    x = 68,429,066,510.25/169,026.75
  6. Step 6: Final answer
    x = 404,841.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.