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Finding the Third Proportional to 30,561,894 and 43,451,721

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Solution

The third proportional to 30,561,894 and 43,451,721 is: 61,777,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561,894 : 43,451,721 = 43,451,721 : x
  2. Step 2: Convert to fraction form
    30,561,894/43,451,721 = 43,451,721/x
  3. Step 3: Cross multiply
    30,561,894x = 43,451,721 × 43,451,721
  4. Step 4: Simplify right side
    30,561,894x = 1,888,052,057,861,841
  5. Step 5: Solve for x
    x = 1,888,052,057,861,841/30,561,894
  6. Step 6: Final answer
    x = 61,777,979.40

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.