Home / 8,518,135.61-18,597,379.15

Finding the Third Proportional to 8,518,135.61 and 18,597,379.15

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Solution

The third proportional to 8,518,135.61 and 18,597,379.15 is: 40,603,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,135.61 : 18,597,379.15 = 18,597,379.15 : x
  2. Step 2: Convert to fraction form
    8,518,135.61/18,597,379.15 = 18,597,379.15/x
  3. Step 3: Cross multiply
    8,518,135.61x = 18,597,379.15 × 18,597,379.15
  4. Step 4: Simplify right side
    8,518,135.61x = 345,862,511,190,756.50
  5. Step 5: Solve for x
    x = 345,862,511,190,756.50/8,518,135.61
  6. Step 6: Final answer
    x = 40,603,076.45

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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.