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Finding the Third Proportional to 3,991,008 and 8,754,553.50

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Solution

The third proportional to 3,991,008 and 8,754,553.50 is: 19,203,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,008 : 8,754,553.50 = 8,754,553.50 : x
  2. Step 2: Convert to fraction form
    3,991,008/8,754,553.50 = 8,754,553.50/x
  3. Step 3: Cross multiply
    3,991,008x = 8,754,553.50 × 8,754,553.50
  4. Step 4: Simplify right side
    3,991,008x = 76,642,206,984,362.25
  5. Step 5: Solve for x
    x = 76,642,206,984,362.25/3,991,008
  6. Step 6: Final answer
    x = 19,203,721.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.