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Finding the Third Proportional to 42,009.38 and 92,301

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Solution

The third proportional to 42,009.38 and 92,301 is: 202,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.38 : 92,301 = 92,301 : x
  2. Step 2: Convert to fraction form
    42,009.38/92,301 = 92,301/x
  3. Step 3: Cross multiply
    42,009.38x = 92,301 × 92,301
  4. Step 4: Simplify right side
    42,009.38x = 8,519,474,601
  5. Step 5: Solve for x
    x = 8,519,474,601/42,009.38
  6. Step 6: Final answer
    x = 202,799.37

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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.