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Finding the Third Proportional to 87,928,030 and 187,956,785

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Solution

The third proportional to 87,928,030 and 187,956,785 is: 401,780,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,928,030 : 187,956,785 = 187,956,785 : x
  2. Step 2: Convert to fraction form
    87,928,030/187,956,785 = 187,956,785/x
  3. Step 3: Cross multiply
    87,928,030x = 187,956,785 × 187,956,785
  4. Step 4: Simplify right side
    87,928,030x = 35,327,753,027,536,224
  5. Step 5: Solve for x
    x = 35,327,753,027,536,224/87,928,030
  6. Step 6: Final answer
    x = 401,780,331.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.