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Finding the Third Proportional to 4,314,775.87 and 7,190,439.53

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Solution

The third proportional to 4,314,775.87 and 7,190,439.53 is: 11,982,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314,775.87 : 7,190,439.53 = 7,190,439.53 : x
  2. Step 2: Convert to fraction form
    4,314,775.87/7,190,439.53 = 7,190,439.53/x
  3. Step 3: Cross multiply
    4,314,775.87x = 7,190,439.53 × 7,190,439.53
  4. Step 4: Simplify right side
    4,314,775.87x = 51,702,420,638,519.79
  5. Step 5: Solve for x
    x = 51,702,420,638,519.79/4,314,775.87
  6. Step 6: Final answer
    x = 11,982,643.41

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.