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Finding the Third Proportional to 8,519,328 and 18,531,360

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Solution

The third proportional to 8,519,328 and 18,531,360 is: 40,309,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,328 : 18,531,360 = 18,531,360 : x
  2. Step 2: Convert to fraction form
    8,519,328/18,531,360 = 18,531,360/x
  3. Step 3: Cross multiply
    8,519,328x = 18,531,360 × 18,531,360
  4. Step 4: Simplify right side
    8,519,328x = 343,411,303,449,600
  5. Step 5: Solve for x
    x = 343,411,303,449,600/8,519,328
  6. Step 6: Final answer
    x = 40,309,670.37

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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.