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Finding the Third Proportional to 802.50 and 1,668.19

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Solution

The third proportional to 802.50 and 1,668.19 is: 3,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.50 : 1,668.19 = 1,668.19 : x
  2. Step 2: Convert to fraction form
    802.50/1,668.19 = 1,668.19/x
  3. Step 3: Cross multiply
    802.50x = 1,668.19 × 1,668.19
  4. Step 4: Simplify right side
    802.50x = 2,782,849.54
  5. Step 5: Solve for x
    x = 2,782,849.54/802.50
  6. Step 6: Final answer
    x = 3,467.73

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.