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Finding the Third Proportional to 17,775.28 and 38,890.97

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Solution

The third proportional to 17,775.28 and 38,890.97 is: 85,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.28 : 38,890.97 = 38,890.97 : x
  2. Step 2: Convert to fraction form
    17,775.28/38,890.97 = 38,890.97/x
  3. Step 3: Cross multiply
    17,775.28x = 38,890.97 × 38,890.97
  4. Step 4: Simplify right side
    17,775.28x = 1,512,507,450.31
  5. Step 5: Solve for x
    x = 1,512,507,450.31/17,775.28
  6. Step 6: Final answer
    x = 85,090.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.