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Finding the Third Proportional to 20,902,185 and 28,883,018

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Solution

The third proportional to 20,902,185 and 28,883,018 is: 39,911,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,185 : 28,883,018 = 28,883,018 : x
  2. Step 2: Convert to fraction form
    20,902,185/28,883,018 = 28,883,018/x
  3. Step 3: Cross multiply
    20,902,185x = 28,883,018 × 28,883,018
  4. Step 4: Simplify right side
    20,902,185x = 834,228,728,788,324
  5. Step 5: Solve for x
    x = 834,228,728,788,324/20,902,185
  6. Step 6: Final answer
    x = 39,911,077.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.