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Finding the Third Proportional to 79,607 and 122,187

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Solution

The third proportional to 79,607 and 122,187 is: 187,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607 : 122,187 = 122,187 : x
  2. Step 2: Convert to fraction form
    79,607/122,187 = 122,187/x
  3. Step 3: Cross multiply
    79,607x = 122,187 × 122,187
  4. Step 4: Simplify right side
    79,607x = 14,929,662,969
  5. Step 5: Solve for x
    x = 14,929,662,969/79,607
  6. Step 6: Final answer
    x = 187,542.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.