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Finding the Third Proportional to 147,966 and 209,370

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Solution

The third proportional to 147,966 and 209,370 is: 296,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,966 : 209,370 = 209,370 : x
  2. Step 2: Convert to fraction form
    147,966/209,370 = 209,370/x
  3. Step 3: Cross multiply
    147,966x = 209,370 × 209,370
  4. Step 4: Simplify right side
    147,966x = 43,835,796,900
  5. Step 5: Solve for x
    x = 43,835,796,900/147,966
  6. Step 6: Final answer
    x = 296,255.88

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.