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Finding the Third Proportional to 452,208 and 699,885

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Solution

The third proportional to 452,208 and 699,885 is: 1,083,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,208 : 699,885 = 699,885 : x
  2. Step 2: Convert to fraction form
    452,208/699,885 = 699,885/x
  3. Step 3: Cross multiply
    452,208x = 699,885 × 699,885
  4. Step 4: Simplify right side
    452,208x = 489,839,013,225
  5. Step 5: Solve for x
    x = 489,839,013,225/452,208
  6. Step 6: Final answer
    x = 1,083,216.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.