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Finding the Third Proportional to 184,870 and 378,502

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Solution

The third proportional to 184,870 and 378,502 is: 774,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,870 : 378,502 = 378,502 : x
  2. Step 2: Convert to fraction form
    184,870/378,502 = 378,502/x
  3. Step 3: Cross multiply
    184,870x = 378,502 × 378,502
  4. Step 4: Simplify right side
    184,870x = 143,263,764,004
  5. Step 5: Solve for x
    x = 143,263,764,004/184,870
  6. Step 6: Final answer
    x = 774,943.28

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.