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Finding the Third Proportional to 7,419,549.38 and 11,802,555.56

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Solution

The third proportional to 7,419,549.38 and 11,802,555.56 is: 18,774,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419,549.38 : 11,802,555.56 = 11,802,555.56 : x
  2. Step 2: Convert to fraction form
    7,419,549.38/11,802,555.56 = 11,802,555.56/x
  3. Step 3: Cross multiply
    7,419,549.38x = 11,802,555.56 × 11,802,555.56
  4. Step 4: Simplify right side
    7,419,549.38x = 139,300,317,805,899.69
  5. Step 5: Solve for x
    x = 139,300,317,805,899.69/7,419,549.38
  6. Step 6: Final answer
    x = 18,774,767.95

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.