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Finding the Third Proportional to 8,590,728.38 and 18,525,745.41

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Solution

The third proportional to 8,590,728.38 and 18,525,745.41 is: 39,950,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,728.38 : 18,525,745.41 = 18,525,745.41 : x
  2. Step 2: Convert to fraction form
    8,590,728.38/18,525,745.41 = 18,525,745.41/x
  3. Step 3: Cross multiply
    8,590,728.38x = 18,525,745.41 × 18,525,745.41
  4. Step 4: Simplify right side
    8,590,728.38x = 343,203,242,857,193
  5. Step 5: Solve for x
    x = 343,203,242,857,193/8,590,728.38
  6. Step 6: Final answer
    x = 39,950,424.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.