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Finding the Third Proportional to 84,354.75 and 182,479.50

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Solution

The third proportional to 84,354.75 and 182,479.50 is: 394,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,354.75 : 182,479.50 = 182,479.50 : x
  2. Step 2: Convert to fraction form
    84,354.75/182,479.50 = 182,479.50/x
  3. Step 3: Cross multiply
    84,354.75x = 182,479.50 × 182,479.50
  4. Step 4: Simplify right side
    84,354.75x = 33,298,767,920.25
  5. Step 5: Solve for x
    x = 33,298,767,920.25/84,354.75
  6. Step 6: Final answer
    x = 394,746.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.