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Finding the Third Proportional to 172,392 and 252,892

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Solution

The third proportional to 172,392 and 252,892 is: 370,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,392 : 252,892 = 252,892 : x
  2. Step 2: Convert to fraction form
    172,392/252,892 = 252,892/x
  3. Step 3: Cross multiply
    172,392x = 252,892 × 252,892
  4. Step 4: Simplify right side
    172,392x = 63,954,363,664
  5. Step 5: Solve for x
    x = 63,954,363,664/172,392
  6. Step 6: Final answer
    x = 370,982.20

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.