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Finding the Third Proportional to 184,862 and 378,486

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Solution

The third proportional to 184,862 and 378,486 is: 774,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,862 : 378,486 = 378,486 : x
  2. Step 2: Convert to fraction form
    184,862/378,486 = 378,486/x
  3. Step 3: Cross multiply
    184,862x = 378,486 × 378,486
  4. Step 4: Simplify right side
    184,862x = 143,251,652,196
  5. Step 5: Solve for x
    x = 143,251,652,196/184,862
  6. Step 6: Final answer
    x = 774,911.30

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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.