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Finding the Third Proportional to 20,219.63 and 27,550.13

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Solution

The third proportional to 20,219.63 and 27,550.13 is: 37,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.63 : 27,550.13 = 27,550.13 : x
  2. Step 2: Convert to fraction form
    20,219.63/27,550.13 = 27,550.13/x
  3. Step 3: Cross multiply
    20,219.63x = 27,550.13 × 27,550.13
  4. Step 4: Simplify right side
    20,219.63x = 759,009,387.52
  5. Step 5: Solve for x
    x = 759,009,387.52/20,219.63
  6. Step 6: Final answer
    x = 37,538.25

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.