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Finding the Third Proportional to 84,042 and 180,827

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Solution

The third proportional to 84,042 and 180,827 is: 389,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,042 : 180,827 = 180,827 : x
  2. Step 2: Convert to fraction form
    84,042/180,827 = 180,827/x
  3. Step 3: Cross multiply
    84,042x = 180,827 × 180,827
  4. Step 4: Simplify right side
    84,042x = 32,698,403,929
  5. Step 5: Solve for x
    x = 32,698,403,929/84,042
  6. Step 6: Final answer
    x = 389,072.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.