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Finding the Third Proportional to 4,378,333.42 and 9,581,334.57

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Solution

The third proportional to 4,378,333.42 and 9,581,334.57 is: 20,967,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378,333.42 : 9,581,334.57 = 9,581,334.57 : x
  2. Step 2: Convert to fraction form
    4,378,333.42/9,581,334.57 = 9,581,334.57/x
  3. Step 3: Cross multiply
    4,378,333.42x = 9,581,334.57 × 9,581,334.57
  4. Step 4: Simplify right side
    4,378,333.42x = 91,801,972,054,688.34
  5. Step 5: Solve for x
    x = 91,801,972,054,688.34/4,378,333.42
  6. Step 6: Final answer
    x = 20,967,332.37

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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.