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Finding the Third Proportional to 173,072 and 375,520

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Solution

The third proportional to 173,072 and 375,520 is: 814,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,072 : 375,520 = 375,520 : x
  2. Step 2: Convert to fraction form
    173,072/375,520 = 375,520/x
  3. Step 3: Cross multiply
    173,072x = 375,520 × 375,520
  4. Step 4: Simplify right side
    173,072x = 141,015,270,400
  5. Step 5: Solve for x
    x = 141,015,270,400/173,072
  6. Step 6: Final answer
    x = 814,778.07

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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.