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Finding the Third Proportional to 3,985,449 and 5,592,370.50

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Solution

The third proportional to 3,985,449 and 5,592,370.50 is: 7,847,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,449 : 5,592,370.50 = 5,592,370.50 : x
  2. Step 2: Convert to fraction form
    3,985,449/5,592,370.50 = 5,592,370.50/x
  3. Step 3: Cross multiply
    3,985,449x = 5,592,370.50 × 5,592,370.50
  4. Step 4: Simplify right side
    3,985,449x = 31,274,607,809,270.25
  5. Step 5: Solve for x
    x = 31,274,607,809,270.25/3,985,449
  6. Step 6: Final answer
    x = 7,847,198.10

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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.