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Finding the Third Proportional to 54,244,386 and 81,871,022

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Solution

The third proportional to 54,244,386 and 81,871,022 is: 123,567,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244,386 : 81,871,022 = 81,871,022 : x
  2. Step 2: Convert to fraction form
    54,244,386/81,871,022 = 81,871,022/x
  3. Step 3: Cross multiply
    54,244,386x = 81,871,022 × 81,871,022
  4. Step 4: Simplify right side
    54,244,386x = 6,702,864,243,324,484
  5. Step 5: Solve for x
    x = 6,702,864,243,324,484/54,244,386
  6. Step 6: Final answer
    x = 123,567,888.54

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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.