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Finding the Third Proportional to 174,205 and 381,607

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Solution

The third proportional to 174,205 and 381,607 is: 835,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,205 : 381,607 = 381,607 : x
  2. Step 2: Convert to fraction form
    174,205/381,607 = 381,607/x
  3. Step 3: Cross multiply
    174,205x = 381,607 × 381,607
  4. Step 4: Simplify right side
    174,205x = 145,623,902,449
  5. Step 5: Solve for x
    x = 145,623,902,449/174,205
  6. Step 6: Final answer
    x = 835,934.11

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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.