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Finding the Third Proportional to 8,572,824 and 11,642,832

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Solution

The third proportional to 8,572,824 and 11,642,832 is: 15,812,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572,824 : 11,642,832 = 11,642,832 : x
  2. Step 2: Convert to fraction form
    8,572,824/11,642,832 = 11,642,832/x
  3. Step 3: Cross multiply
    8,572,824x = 11,642,832 × 11,642,832
  4. Step 4: Simplify right side
    8,572,824x = 135,555,536,980,224
  5. Step 5: Solve for x
    x = 135,555,536,980,224/8,572,824
  6. Step 6: Final answer
    x = 15,812,238.42

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.