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Finding the Third Proportional to 172,150 and 371,492

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Solution

The third proportional to 172,150 and 371,492 is: 801,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,150 : 371,492 = 371,492 : x
  2. Step 2: Convert to fraction form
    172,150/371,492 = 371,492/x
  3. Step 3: Cross multiply
    172,150x = 371,492 × 371,492
  4. Step 4: Simplify right side
    172,150x = 138,006,306,064
  5. Step 5: Solve for x
    x = 138,006,306,064/172,150
  6. Step 6: Final answer
    x = 801,663.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.