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Finding the Third Proportional to 4,131,612 and 8,915,832

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Solution

The third proportional to 4,131,612 and 8,915,832 is: 19,239,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131,612 : 8,915,832 = 8,915,832 : x
  2. Step 2: Convert to fraction form
    4,131,612/8,915,832 = 8,915,832/x
  3. Step 3: Cross multiply
    4,131,612x = 8,915,832 × 8,915,832
  4. Step 4: Simplify right side
    4,131,612x = 79,492,060,252,224
  5. Step 5: Solve for x
    x = 79,492,060,252,224/4,131,612
  6. Step 6: Final answer
    x = 19,239,962.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.