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Finding the Third Proportional to 217,871,251 and 470,172,713

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Solution

The third proportional to 217,871,251 and 470,172,713 is: 1,014,646,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,871,251 : 470,172,713 = 470,172,713 : x
  2. Step 2: Convert to fraction form
    217,871,251/470,172,713 = 470,172,713/x
  3. Step 3: Cross multiply
    217,871,251x = 470,172,713 × 470,172,713
  4. Step 4: Simplify right side
    217,871,251x = 221,062,380,049,780,384
  5. Step 5: Solve for x
    x = 221,062,380,049,780,384/217,871,251
  6. Step 6: Final answer
    x = 1,014,646,856.96

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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.