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Finding the Third Proportional to 5,131,885.50 and 7,174,689

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Solution

The third proportional to 5,131,885.50 and 7,174,689 is: 10,030,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,885.50 : 7,174,689 = 7,174,689 : x
  2. Step 2: Convert to fraction form
    5,131,885.50/7,174,689 = 7,174,689/x
  3. Step 3: Cross multiply
    5,131,885.50x = 7,174,689 × 7,174,689
  4. Step 4: Simplify right side
    5,131,885.50x = 51,476,162,246,721
  5. Step 5: Solve for x
    x = 51,476,162,246,721/5,131,885.50
  6. Step 6: Final answer
    x = 10,030,652.91

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.