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Finding the Third Proportional to 8,637,617 and 18,902,370

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Solution

The third proportional to 8,637,617 and 18,902,370 is: 41,365,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,617 : 18,902,370 = 18,902,370 : x
  2. Step 2: Convert to fraction form
    8,637,617/18,902,370 = 18,902,370/x
  3. Step 3: Cross multiply
    8,637,617x = 18,902,370 × 18,902,370
  4. Step 4: Simplify right side
    8,637,617x = 357,299,591,616,900
  5. Step 5: Solve for x
    x = 357,299,591,616,900/8,637,617
  6. Step 6: Final answer
    x = 41,365,528.43

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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.