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Finding the Third Proportional to 18,623,222 and 29,066,728

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Solution

The third proportional to 18,623,222 and 29,066,728 is: 45,366,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623,222 : 29,066,728 = 29,066,728 : x
  2. Step 2: Convert to fraction form
    18,623,222/29,066,728 = 29,066,728/x
  3. Step 3: Cross multiply
    18,623,222x = 29,066,728 × 29,066,728
  4. Step 4: Simplify right side
    18,623,222x = 844,874,676,625,984
  5. Step 5: Solve for x
    x = 844,874,676,625,984/18,623,222
  6. Step 6: Final answer
    x = 45,366,729.59

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.