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Finding the Third Proportional to 8,616,992 and 18,670,090

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Solution

The third proportional to 8,616,992 and 18,670,090 is: 40,451,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616,992 : 18,670,090 = 18,670,090 : x
  2. Step 2: Convert to fraction form
    8,616,992/18,670,090 = 18,670,090/x
  3. Step 3: Cross multiply
    8,616,992x = 18,670,090 × 18,670,090
  4. Step 4: Simplify right side
    8,616,992x = 348,572,260,608,100
  5. Step 5: Solve for x
    x = 348,572,260,608,100/8,616,992
  6. Step 6: Final answer
    x = 40,451,733.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.