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Finding the Third Proportional to 2,515,502 and 3,922,720.75

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Solution

The third proportional to 2,515,502 and 3,922,720.75 is: 6,117,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,502 : 3,922,720.75 = 3,922,720.75 : x
  2. Step 2: Convert to fraction form
    2,515,502/3,922,720.75 = 3,922,720.75/x
  3. Step 3: Cross multiply
    2,515,502x = 3,922,720.75 × 3,922,720.75
  4. Step 4: Simplify right side
    2,515,502x = 15,387,738,082,480.56
  5. Step 5: Solve for x
    x = 15,387,738,082,480.56/2,515,502
  6. Step 6: Final answer
    x = 6,117,163.92

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.