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Finding the Third Proportional to 8,917,400 and 13,663,962

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Solution

The third proportional to 8,917,400 and 13,663,962 is: 20,937,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,400 : 13,663,962 = 13,663,962 : x
  2. Step 2: Convert to fraction form
    8,917,400/13,663,962 = 13,663,962/x
  3. Step 3: Cross multiply
    8,917,400x = 13,663,962 × 13,663,962
  4. Step 4: Simplify right side
    8,917,400x = 186,703,857,537,444
  5. Step 5: Solve for x
    x = 186,703,857,537,444/8,917,400
  6. Step 6: Final answer
    x = 20,937,028.45

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.