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Finding the Third Proportional to 209,636 and 452,470

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Solution

The third proportional to 209,636 and 452,470 is: 976,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,636 : 452,470 = 452,470 : x
  2. Step 2: Convert to fraction form
    209,636/452,470 = 452,470/x
  3. Step 3: Cross multiply
    209,636x = 452,470 × 452,470
  4. Step 4: Simplify right side
    209,636x = 204,729,100,900
  5. Step 5: Solve for x
    x = 204,729,100,900/209,636
  6. Step 6: Final answer
    x = 976,593.24

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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.