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Finding the Third Proportional to 8,719,638 and 20,366,526

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Solution

The third proportional to 8,719,638 and 20,366,526 is: 47,570,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,638 : 20,366,526 = 20,366,526 : x
  2. Step 2: Convert to fraction form
    8,719,638/20,366,526 = 20,366,526/x
  3. Step 3: Cross multiply
    8,719,638x = 20,366,526 × 20,366,526
  4. Step 4: Simplify right side
    8,719,638x = 414,795,381,308,676
  5. Step 5: Solve for x
    x = 414,795,381,308,676/8,719,638
  6. Step 6: Final answer
    x = 47,570,252.49

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.