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Finding the Third Proportional to 8,637,586 and 18,902,308

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Solution

The third proportional to 8,637,586 and 18,902,308 is: 41,365,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,586 : 18,902,308 = 18,902,308 : x
  2. Step 2: Convert to fraction form
    8,637,586/18,902,308 = 18,902,308/x
  3. Step 3: Cross multiply
    8,637,586x = 18,902,308 × 18,902,308
  4. Step 4: Simplify right side
    8,637,586x = 357,297,247,726,864
  5. Step 5: Solve for x
    x = 357,297,247,726,864/8,637,586
  6. Step 6: Final answer
    x = 41,365,405.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.