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Finding the Third Proportional to 21,120.75 and 44,668.13

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Solution

The third proportional to 21,120.75 and 44,668.13 is: 94,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,120.75 : 44,668.13 = 44,668.13 : x
  2. Step 2: Convert to fraction form
    21,120.75/44,668.13 = 44,668.13/x
  3. Step 3: Cross multiply
    21,120.75x = 44,668.13 × 44,668.13
  4. Step 4: Simplify right side
    21,120.75x = 1,995,241,391.02
  5. Step 5: Solve for x
    x = 1,995,241,391.02/21,120.75
  6. Step 6: Final answer
    x = 94,468.30

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.