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Finding the Third Proportional to 8,642,808 and 18,566,652

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Solution

The third proportional to 8,642,808 and 18,566,652 is: 39,885,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,808 : 18,566,652 = 18,566,652 : x
  2. Step 2: Convert to fraction form
    8,642,808/18,566,652 = 18,566,652/x
  3. Step 3: Cross multiply
    8,642,808x = 18,566,652 × 18,566,652
  4. Step 4: Simplify right side
    8,642,808x = 344,720,566,489,104
  5. Step 5: Solve for x
    x = 344,720,566,489,104/8,642,808
  6. Step 6: Final answer
    x = 39,885,251.01

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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.