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Finding the Third Proportional to 18,481 and 28,446

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Solution

The third proportional to 18,481 and 28,446 is: 43,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481 : 28,446 = 28,446 : x
  2. Step 2: Convert to fraction form
    18,481/28,446 = 28,446/x
  3. Step 3: Cross multiply
    18,481x = 28,446 × 28,446
  4. Step 4: Simplify right side
    18,481x = 809,174,916
  5. Step 5: Solve for x
    x = 809,174,916/18,481
  6. Step 6: Final answer
    x = 43,784.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.