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Finding the Third Proportional to 8,534,328 and 18,661,992

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Solution

The third proportional to 8,534,328 and 18,661,992 is: 40,808,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534,328 : 18,661,992 = 18,661,992 : x
  2. Step 2: Convert to fraction form
    8,534,328/18,661,992 = 18,661,992/x
  3. Step 3: Cross multiply
    8,534,328x = 18,661,992 × 18,661,992
  4. Step 4: Simplify right side
    8,534,328x = 348,269,945,408,064
  5. Step 5: Solve for x
    x = 348,269,945,408,064/8,534,328
  6. Step 6: Final answer
    x = 40,808,127.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.