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Finding the Third Proportional to 3,173,835.38 and 7,490,991.38

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Solution

The third proportional to 3,173,835.38 and 7,490,991.38 is: 17,680,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,835.38 : 7,490,991.38 = 7,490,991.38 : x
  2. Step 2: Convert to fraction form
    3,173,835.38/7,490,991.38 = 7,490,991.38/x
  3. Step 3: Cross multiply
    3,173,835.38x = 7,490,991.38 × 7,490,991.38
  4. Step 4: Simplify right side
    3,173,835.38x = 56,114,951,780,324.39
  5. Step 5: Solve for x
    x = 56,114,951,780,324.39/3,173,835.38
  6. Step 6: Final answer
    x = 17,680,485.96

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.