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Finding the Third Proportional to 84,784 and 184,310

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Solution

The third proportional to 84,784 and 184,310 is: 400,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,784 : 184,310 = 184,310 : x
  2. Step 2: Convert to fraction form
    84,784/184,310 = 184,310/x
  3. Step 3: Cross multiply
    84,784x = 184,310 × 184,310
  4. Step 4: Simplify right side
    84,784x = 33,970,176,100
  5. Step 5: Solve for x
    x = 33,970,176,100/84,784
  6. Step 6: Final answer
    x = 400,667.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.