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Finding the Third Proportional to 40,717,320 and 84,268,836

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Solution

The third proportional to 40,717,320 and 84,268,836 is: 174,403,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,717,320 : 84,268,836 = 84,268,836 : x
  2. Step 2: Convert to fraction form
    40,717,320/84,268,836 = 84,268,836/x
  3. Step 3: Cross multiply
    40,717,320x = 84,268,836 × 84,268,836
  4. Step 4: Simplify right side
    40,717,320x = 7,101,236,720,794,896
  5. Step 5: Solve for x
    x = 7,101,236,720,794,896/40,717,320
  6. Step 6: Final answer
    x = 174,403,342.87

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.