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Finding the Third Proportional to 8,172,781 and 17,192,538

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Solution

The third proportional to 8,172,781 and 17,192,538 is: 36,166,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,781 : 17,192,538 = 17,192,538 : x
  2. Step 2: Convert to fraction form
    8,172,781/17,192,538 = 17,192,538/x
  3. Step 3: Cross multiply
    8,172,781x = 17,192,538 × 17,192,538
  4. Step 4: Simplify right side
    8,172,781x = 295,583,362,881,444
  5. Step 5: Solve for x
    x = 295,583,362,881,444/8,172,781
  6. Step 6: Final answer
    x = 36,166,803.30

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.