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Finding the Third Proportional to 3,530,874.38 and 7,485,523.88

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Solution

The third proportional to 3,530,874.38 and 7,485,523.88 is: 15,869,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,874.38 : 7,485,523.88 = 7,485,523.88 : x
  2. Step 2: Convert to fraction form
    3,530,874.38/7,485,523.88 = 7,485,523.88/x
  3. Step 3: Cross multiply
    3,530,874.38x = 7,485,523.88 × 7,485,523.88
  4. Step 4: Simplify right side
    3,530,874.38x = 56,033,067,683,195.02
  5. Step 5: Solve for x
    x = 56,033,067,683,195.02/3,530,874.38
  6. Step 6: Final answer
    x = 15,869,459.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.