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Finding the Third Proportional to 174,203.25 and 381,603

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Solution

The third proportional to 174,203.25 and 381,603 is: 835,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,203.25 : 381,603 = 381,603 : x
  2. Step 2: Convert to fraction form
    174,203.25/381,603 = 381,603/x
  3. Step 3: Cross multiply
    174,203.25x = 381,603 × 381,603
  4. Step 4: Simplify right side
    174,203.25x = 145,620,849,609
  5. Step 5: Solve for x
    x = 145,620,849,609/174,203.25
  6. Step 6: Final answer
    x = 835,924.99

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.