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Finding the Third Proportional to 12,208,694 and 18,895,431

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Solution

The third proportional to 12,208,694 and 18,895,431 is: 29,244,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,694 : 18,895,431 = 18,895,431 : x
  2. Step 2: Convert to fraction form
    12,208,694/18,895,431 = 18,895,431/x
  3. Step 3: Cross multiply
    12,208,694x = 18,895,431 × 18,895,431
  4. Step 4: Simplify right side
    12,208,694x = 357,037,312,675,761
  5. Step 5: Solve for x
    x = 357,037,312,675,761/12,208,694
  6. Step 6: Final answer
    x = 29,244,513.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.