Home / 8,778,146.55-18,850,579.45

Finding the Third Proportional to 8,778,146.55 and 18,850,579.45

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Solution

The third proportional to 8,778,146.55 and 18,850,579.45 is: 40,480,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,146.55 : 18,850,579.45 = 18,850,579.45 : x
  2. Step 2: Convert to fraction form
    8,778,146.55/18,850,579.45 = 18,850,579.45/x
  3. Step 3: Cross multiply
    8,778,146.55x = 18,850,579.45 × 18,850,579.45
  4. Step 4: Simplify right side
    8,778,146.55x = 355,344,345,718,578.44
  5. Step 5: Solve for x
    x = 355,344,345,718,578.44/8,778,146.55
  6. Step 6: Final answer
    x = 40,480,566.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.