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Finding the Third Proportional to 8,637,568 and 18,902,272

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Solution

The third proportional to 8,637,568 and 18,902,272 is: 41,365,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,568 : 18,902,272 = 18,902,272 : x
  2. Step 2: Convert to fraction form
    8,637,568/18,902,272 = 18,902,272/x
  3. Step 3: Cross multiply
    8,637,568x = 18,902,272 × 18,902,272
  4. Step 4: Simplify right side
    8,637,568x = 357,295,886,761,984
  5. Step 5: Solve for x
    x = 357,295,886,761,984/8,637,568
  6. Step 6: Final answer
    x = 41,365,334.17

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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.