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Finding the Third Proportional to 57,807,448 and 84,540,912

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Solution

The third proportional to 57,807,448 and 84,540,912 is: 123,637,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807,448 : 84,540,912 = 84,540,912 : x
  2. Step 2: Convert to fraction form
    57,807,448/84,540,912 = 84,540,912/x
  3. Step 3: Cross multiply
    57,807,448x = 84,540,912 × 84,540,912
  4. Step 4: Simplify right side
    57,807,448x = 7,147,165,801,791,744
  5. Step 5: Solve for x
    x = 7,147,165,801,791,744/57,807,448
  6. Step 6: Final answer
    x = 123,637,455.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.