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Finding the Third Proportional to 262,496.25 and 393,663.38

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Solution

The third proportional to 262,496.25 and 393,663.38 is: 590,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,496.25 : 393,663.38 = 393,663.38 : x
  2. Step 2: Convert to fraction form
    262,496.25/393,663.38 = 393,663.38/x
  3. Step 3: Cross multiply
    262,496.25x = 393,663.38 × 393,663.38
  4. Step 4: Simplify right side
    262,496.25x = 154,970,852,816.39
  5. Step 5: Solve for x
    x = 154,970,852,816.39/262,496.25
  6. Step 6: Final answer
    x = 590,373.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.