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Finding the Third Proportional to 4,321,406 and 9,283,330

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Solution

The third proportional to 4,321,406 and 9,283,330 is: 19,942,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321,406 : 9,283,330 = 9,283,330 : x
  2. Step 2: Convert to fraction form
    4,321,406/9,283,330 = 9,283,330/x
  3. Step 3: Cross multiply
    4,321,406x = 9,283,330 × 9,283,330
  4. Step 4: Simplify right side
    4,321,406x = 86,180,215,888,900
  5. Step 5: Solve for x
    x = 86,180,215,888,900/4,321,406
  6. Step 6: Final answer
    x = 19,942,633.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.