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Finding the Third Proportional to 171,072 and 375,678

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Solution

The third proportional to 171,072 and 375,678 is: 824,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072 : 375,678 = 375,678 : x
  2. Step 2: Convert to fraction form
    171,072/375,678 = 375,678/x
  3. Step 3: Cross multiply
    171,072x = 375,678 × 375,678
  4. Step 4: Simplify right side
    171,072x = 141,133,959,684
  5. Step 5: Solve for x
    x = 141,133,959,684/171,072
  6. Step 6: Final answer
    x = 824,997.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.