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Finding the Third Proportional to 269,218,979 and 585,607,900

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Solution

The third proportional to 269,218,979 and 585,607,900 is: 1,273,820,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,218,979 : 585,607,900 = 585,607,900 : x
  2. Step 2: Convert to fraction form
    269,218,979/585,607,900 = 585,607,900/x
  3. Step 3: Cross multiply
    269,218,979x = 585,607,900 × 585,607,900
  4. Step 4: Simplify right side
    269,218,979x = 342,936,612,542,409,984
  5. Step 5: Solve for x
    x = 342,936,612,542,409,984/269,218,979
  6. Step 6: Final answer
    x = 1,273,820,344.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.