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Finding the Third Proportional to 27,861,984 and 43,053,872

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Solution

The third proportional to 27,861,984 and 43,053,872 is: 66,529,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861,984 : 43,053,872 = 43,053,872 : x
  2. Step 2: Convert to fraction form
    27,861,984/43,053,872 = 43,053,872/x
  3. Step 3: Cross multiply
    27,861,984x = 43,053,872 × 43,053,872
  4. Step 4: Simplify right side
    27,861,984x = 1,853,635,894,192,384
  5. Step 5: Solve for x
    x = 1,853,635,894,192,384/27,861,984
  6. Step 6: Final answer
    x = 66,529,213.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.