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Finding the Third Proportional to 8,588,738 and 18,668,443

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Solution

The third proportional to 8,588,738 and 18,668,443 is: 40,577,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588,738 : 18,668,443 = 18,668,443 : x
  2. Step 2: Convert to fraction form
    8,588,738/18,668,443 = 18,668,443/x
  3. Step 3: Cross multiply
    8,588,738x = 18,668,443 × 18,668,443
  4. Step 4: Simplify right side
    8,588,738x = 348,510,764,044,249
  5. Step 5: Solve for x
    x = 348,510,764,044,249/8,588,738
  6. Step 6: Final answer
    x = 40,577,645.29

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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.