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Finding the Third Proportional to 165,819.75 and 355,297.50

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Solution

The third proportional to 165,819.75 and 355,297.50 is: 761,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,819.75 : 355,297.50 = 355,297.50 : x
  2. Step 2: Convert to fraction form
    165,819.75/355,297.50 = 355,297.50/x
  3. Step 3: Cross multiply
    165,819.75x = 355,297.50 × 355,297.50
  4. Step 4: Simplify right side
    165,819.75x = 126,236,313,506.25
  5. Step 5: Solve for x
    x = 126,236,313,506.25/165,819.75
  6. Step 6: Final answer
    x = 761,286.36

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.