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Finding the Third Proportional to 17,903.53 and 27,427.36

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Solution

The third proportional to 17,903.53 and 27,427.36 is: 42,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.53 : 27,427.36 = 27,427.36 : x
  2. Step 2: Convert to fraction form
    17,903.53/27,427.36 = 27,427.36/x
  3. Step 3: Cross multiply
    17,903.53x = 27,427.36 × 27,427.36
  4. Step 4: Simplify right side
    17,903.53x = 752,260,042.29
  5. Step 5: Solve for x
    x = 752,260,042.29/17,903.53
  6. Step 6: Final answer
    x = 42,017.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.