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Finding the Third Proportional to 10,668.90 and 15,367.85

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Solution

The third proportional to 10,668.90 and 15,367.85 is: 22,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.90 : 15,367.85 = 15,367.85 : x
  2. Step 2: Convert to fraction form
    10,668.90/15,367.85 = 15,367.85/x
  3. Step 3: Cross multiply
    10,668.90x = 15,367.85 × 15,367.85
  4. Step 4: Simplify right side
    10,668.90x = 236,170,861.65
  5. Step 5: Solve for x
    x = 236,170,861.65/10,668.90
  6. Step 6: Final answer
    x = 22,136.38

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.