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Finding the Third Proportional to 7,220,656 and 15,858,568

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Solution

The third proportional to 7,220,656 and 15,858,568 is: 34,829,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,656 : 15,858,568 = 15,858,568 : x
  2. Step 2: Convert to fraction form
    7,220,656/15,858,568 = 15,858,568/x
  3. Step 3: Cross multiply
    7,220,656x = 15,858,568 × 15,858,568
  4. Step 4: Simplify right side
    7,220,656x = 251,494,179,010,624
  5. Step 5: Solve for x
    x = 251,494,179,010,624/7,220,656
  6. Step 6: Final answer
    x = 34,829,824.19

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.