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Finding the Third Proportional to 7,220,726 and 15,858,699

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Solution

The third proportional to 7,220,726 and 15,858,699 is: 34,830,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,726 : 15,858,699 = 15,858,699 : x
  2. Step 2: Convert to fraction form
    7,220,726/15,858,699 = 15,858,699/x
  3. Step 3: Cross multiply
    7,220,726x = 15,858,699 × 15,858,699
  4. Step 4: Simplify right side
    7,220,726x = 251,498,333,972,601
  5. Step 5: Solve for x
    x = 251,498,333,972,601/7,220,726
  6. Step 6: Final answer
    x = 34,830,061.96

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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.