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Finding the Third Proportional to 3,940,988.34 and 5,939,670.94

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Solution

The third proportional to 3,940,988.34 and 5,939,670.94 is: 8,951,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,988.34 : 5,939,670.94 = 5,939,670.94 : x
  2. Step 2: Convert to fraction form
    3,940,988.34/5,939,670.94 = 5,939,670.94/x
  3. Step 3: Cross multiply
    3,940,988.34x = 5,939,670.94 × 5,939,670.94
  4. Step 4: Simplify right side
    3,940,988.34x = 35,279,690,845,782.12
  5. Step 5: Solve for x
    x = 35,279,690,845,782.12/3,940,988.34
  6. Step 6: Final answer
    x = 8,951,990.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.