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Finding the Third Proportional to 8,972,063 and 19,738,438

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Solution

The third proportional to 8,972,063 and 19,738,438 is: 43,424,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,063 : 19,738,438 = 19,738,438 : x
  2. Step 2: Convert to fraction form
    8,972,063/19,738,438 = 19,738,438/x
  3. Step 3: Cross multiply
    8,972,063x = 19,738,438 × 19,738,438
  4. Step 4: Simplify right side
    8,972,063x = 389,605,934,679,844
  5. Step 5: Solve for x
    x = 389,605,934,679,844/8,972,063
  6. Step 6: Final answer
    x = 43,424,342.28

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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.