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Finding the Third Proportional to 174,220 and 381,637

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Solution

The third proportional to 174,220 and 381,637 is: 835,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,220 : 381,637 = 381,637 : x
  2. Step 2: Convert to fraction form
    174,220/381,637 = 381,637/x
  3. Step 3: Cross multiply
    174,220x = 381,637 × 381,637
  4. Step 4: Simplify right side
    174,220x = 145,646,799,769
  5. Step 5: Solve for x
    x = 145,646,799,769/174,220
  6. Step 6: Final answer
    x = 835,993.57

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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.