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Finding the Third Proportional to 262,446.75 and 397,315.13

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Solution

The third proportional to 262,446.75 and 397,315.13 is: 601,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,446.75 : 397,315.13 = 397,315.13 : x
  2. Step 2: Convert to fraction form
    262,446.75/397,315.13 = 397,315.13/x
  3. Step 3: Cross multiply
    262,446.75x = 397,315.13 × 397,315.13
  4. Step 4: Simplify right side
    262,446.75x = 157,859,308,553.77
  5. Step 5: Solve for x
    x = 157,859,308,553.77/262,446.75
  6. Step 6: Final answer
    x = 601,490.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.