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Finding the Third Proportional to 54,244,389 and 81,871,026

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Solution

The third proportional to 54,244,389 and 81,871,026 is: 123,567,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244,389 : 81,871,026 = 81,871,026 : x
  2. Step 2: Convert to fraction form
    54,244,389/81,871,026 = 81,871,026/x
  3. Step 3: Cross multiply
    54,244,389x = 81,871,026 × 81,871,026
  4. Step 4: Simplify right side
    54,244,389x = 6,702,864,898,292,676
  5. Step 5: Solve for x
    x = 6,702,864,898,292,676/54,244,389
  6. Step 6: Final answer
    x = 123,567,893.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.