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Finding the Third Proportional to 3,834,911.50 and 8,391,395.25

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Solution

The third proportional to 3,834,911.50 and 8,391,395.25 is: 18,361,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,911.50 : 8,391,395.25 = 8,391,395.25 : x
  2. Step 2: Convert to fraction form
    3,834,911.50/8,391,395.25 = 8,391,395.25/x
  3. Step 3: Cross multiply
    3,834,911.50x = 8,391,395.25 × 8,391,395.25
  4. Step 4: Simplify right side
    3,834,911.50x = 70,415,514,241,722.56
  5. Step 5: Solve for x
    x = 70,415,514,241,722.56/3,834,911.50
  6. Step 6: Final answer
    x = 18,361,705.15

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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.