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Finding the Third Proportional to 11,639,928 and 17,620,938

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Solution

The third proportional to 11,639,928 and 17,620,938 is: 26,675,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639,928 : 17,620,938 = 17,620,938 : x
  2. Step 2: Convert to fraction form
    11,639,928/17,620,938 = 17,620,938/x
  3. Step 3: Cross multiply
    11,639,928x = 17,620,938 × 17,620,938
  4. Step 4: Simplify right side
    11,639,928x = 310,497,455,999,844
  5. Step 5: Solve for x
    x = 310,497,455,999,844/11,639,928
  6. Step 6: Final answer
    x = 26,675,204.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.