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Finding the Third Proportional to 20,668.50 and 30,944

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Solution

The third proportional to 20,668.50 and 30,944 is: 46,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,668.50 : 30,944 = 30,944 : x
  2. Step 2: Convert to fraction form
    20,668.50/30,944 = 30,944/x
  3. Step 3: Cross multiply
    20,668.50x = 30,944 × 30,944
  4. Step 4: Simplify right side
    20,668.50x = 957,531,136
  5. Step 5: Solve for x
    x = 957,531,136/20,668.50
  6. Step 6: Final answer
    x = 46,328.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.