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Finding the Third Proportional to 84,458 and 180,214

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Solution

The third proportional to 84,458 and 180,214 is: 384,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,458 : 180,214 = 180,214 : x
  2. Step 2: Convert to fraction form
    84,458/180,214 = 180,214/x
  3. Step 3: Cross multiply
    84,458x = 180,214 × 180,214
  4. Step 4: Simplify right side
    84,458x = 32,477,085,796
  5. Step 5: Solve for x
    x = 32,477,085,796/84,458
  6. Step 6: Final answer
    x = 384,535.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.