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Finding the Third Proportional to 187,844 and 407,004

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Solution

The third proportional to 187,844 and 407,004 is: 881,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,844 : 407,004 = 407,004 : x
  2. Step 2: Convert to fraction form
    187,844/407,004 = 407,004/x
  3. Step 3: Cross multiply
    187,844x = 407,004 × 407,004
  4. Step 4: Simplify right side
    187,844x = 165,652,256,016
  5. Step 5: Solve for x
    x = 165,652,256,016/187,844
  6. Step 6: Final answer
    x = 881,860.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.