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Finding the Third Proportional to 263,117.25 and 397,044

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Solution

The third proportional to 263,117.25 and 397,044 is: 599,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,117.25 : 397,044 = 397,044 : x
  2. Step 2: Convert to fraction form
    263,117.25/397,044 = 397,044/x
  3. Step 3: Cross multiply
    263,117.25x = 397,044 × 397,044
  4. Step 4: Simplify right side
    263,117.25x = 157,643,937,936
  5. Step 5: Solve for x
    x = 157,643,937,936/263,117.25
  6. Step 6: Final answer
    x = 599,139.50

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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.