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Finding the Third Proportional to 4,428,132 and 7,230,741

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Solution

The third proportional to 4,428,132 and 7,230,741 is: 11,807,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,132 : 7,230,741 = 7,230,741 : x
  2. Step 2: Convert to fraction form
    4,428,132/7,230,741 = 7,230,741/x
  3. Step 3: Cross multiply
    4,428,132x = 7,230,741 × 7,230,741
  4. Step 4: Simplify right side
    4,428,132x = 52,283,615,409,081
  5. Step 5: Solve for x
    x = 52,283,615,409,081/4,428,132
  6. Step 6: Final answer
    x = 11,807,149.25

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.