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Finding the Third Proportional to 94,072 and 125,412

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Solution

The third proportional to 94,072 and 125,412 is: 167,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,072 : 125,412 = 125,412 : x
  2. Step 2: Convert to fraction form
    94,072/125,412 = 125,412/x
  3. Step 3: Cross multiply
    94,072x = 125,412 × 125,412
  4. Step 4: Simplify right side
    94,072x = 15,728,169,744
  5. Step 5: Solve for x
    x = 15,728,169,744/94,072
  6. Step 6: Final answer
    x = 167,192.89

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.