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Finding the Third Proportional to 84,685 and 184,132.50

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Solution

The third proportional to 84,685 and 184,132.50 is: 400,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685 : 184,132.50 = 184,132.50 : x
  2. Step 2: Convert to fraction form
    84,685/184,132.50 = 184,132.50/x
  3. Step 3: Cross multiply
    84,685x = 184,132.50 × 184,132.50
  4. Step 4: Simplify right side
    84,685x = 33,904,777,556.25
  5. Step 5: Solve for x
    x = 33,904,777,556.25/84,685
  6. Step 6: Final answer
    x = 400,363.44

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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.