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Finding the Third Proportional to 7,198,721 and 10,185,968

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Solution

The third proportional to 7,198,721 and 10,185,968 is: 14,412,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,721 : 10,185,968 = 10,185,968 : x
  2. Step 2: Convert to fraction form
    7,198,721/10,185,968 = 10,185,968/x
  3. Step 3: Cross multiply
    7,198,721x = 10,185,968 × 10,185,968
  4. Step 4: Simplify right side
    7,198,721x = 103,753,944,097,024
  5. Step 5: Solve for x
    x = 103,753,944,097,024/7,198,721
  6. Step 6: Final answer
    x = 14,412,830.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.