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Finding the Third Proportional to 8,845 and 19,445

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Solution

The third proportional to 8,845 and 19,445 is: 42,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845 : 19,445 = 19,445 : x
  2. Step 2: Convert to fraction form
    8,845/19,445 = 19,445/x
  3. Step 3: Cross multiply
    8,845x = 19,445 × 19,445
  4. Step 4: Simplify right side
    8,845x = 378,108,025
  5. Step 5: Solve for x
    x = 378,108,025/8,845
  6. Step 6: Final answer
    x = 42,748.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.