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Finding the Third Proportional to 6,890.70 and 15,094.90

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Solution

The third proportional to 6,890.70 and 15,094.90 is: 33,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.70 : 15,094.90 = 15,094.90 : x
  2. Step 2: Convert to fraction form
    6,890.70/15,094.90 = 15,094.90/x
  3. Step 3: Cross multiply
    6,890.70x = 15,094.90 × 15,094.90
  4. Step 4: Simplify right side
    6,890.70x = 227,855,958.84
  5. Step 5: Solve for x
    x = 227,855,958.84/6,890.70
  6. Step 6: Final answer
    x = 33,067.19

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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.