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Finding the Third Proportional to 18,552,657 and 40,398,936

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Solution

The third proportional to 18,552,657 and 40,398,936 is: 87,969,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552,657 : 40,398,936 = 40,398,936 : x
  2. Step 2: Convert to fraction form
    18,552,657/40,398,936 = 40,398,936/x
  3. Step 3: Cross multiply
    18,552,657x = 40,398,936 × 40,398,936
  4. Step 4: Simplify right side
    18,552,657x = 1,632,074,029,932,096
  5. Step 5: Solve for x
    x = 1,632,074,029,932,096/18,552,657
  6. Step 6: Final answer
    x = 87,969,827.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.