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Finding the Third Proportional to 263,503.13 and 397,062

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Solution

The third proportional to 263,503.13 and 397,062 is: 598,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,503.13 : 397,062 = 397,062 : x
  2. Step 2: Convert to fraction form
    263,503.13/397,062 = 397,062/x
  3. Step 3: Cross multiply
    263,503.13x = 397,062 × 397,062
  4. Step 4: Simplify right side
    263,503.13x = 157,658,231,844
  5. Step 5: Solve for x
    x = 157,658,231,844/263,503.13
  6. Step 6: Final answer
    x = 598,316.36

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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.