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Finding the Third Proportional to 20,909 and 44,247.50

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Solution

The third proportional to 20,909 and 44,247.50 is: 93,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,909 : 44,247.50 = 44,247.50 : x
  2. Step 2: Convert to fraction form
    20,909/44,247.50 = 44,247.50/x
  3. Step 3: Cross multiply
    20,909x = 44,247.50 × 44,247.50
  4. Step 4: Simplify right side
    20,909x = 1,957,841,256.25
  5. Step 5: Solve for x
    x = 1,957,841,256.25/20,909
  6. Step 6: Final answer
    x = 93,636.29

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.