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Finding the Third Proportional to 209,642 and 452,494

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Solution

The third proportional to 209,642 and 452,494 is: 976,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,642 : 452,494 = 452,494 : x
  2. Step 2: Convert to fraction form
    209,642/452,494 = 452,494/x
  3. Step 3: Cross multiply
    209,642x = 452,494 × 452,494
  4. Step 4: Simplify right side
    209,642x = 204,750,820,036
  5. Step 5: Solve for x
    x = 204,750,820,036/209,642
  6. Step 6: Final answer
    x = 976,668.89

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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.