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Finding the Third Proportional to 12,616,932 and 18,904,407

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Solution

The third proportional to 12,616,932 and 18,904,407 is: 28,325,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,932 : 18,904,407 = 18,904,407 : x
  2. Step 2: Convert to fraction form
    12,616,932/18,904,407 = 18,904,407/x
  3. Step 3: Cross multiply
    12,616,932x = 18,904,407 × 18,904,407
  4. Step 4: Simplify right side
    12,616,932x = 357,376,604,021,649
  5. Step 5: Solve for x
    x = 357,376,604,021,649/12,616,932
  6. Step 6: Final answer
    x = 28,325,158.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.