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Finding the Third Proportional to 17,667,966 and 38,172,707

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Solution

The third proportional to 17,667,966 and 38,172,707 is: 82,474,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,667,966 : 38,172,707 = 38,172,707 : x
  2. Step 2: Convert to fraction form
    17,667,966/38,172,707 = 38,172,707/x
  3. Step 3: Cross multiply
    17,667,966x = 38,172,707 × 38,172,707
  4. Step 4: Simplify right side
    17,667,966x = 1,457,155,559,707,849
  5. Step 5: Solve for x
    x = 1,457,155,559,707,849/17,667,966
  6. Step 6: Final answer
    x = 82,474,437.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.