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Finding the Third Proportional to 291,208 and 452,364

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Solution

The third proportional to 291,208 and 452,364 is: 702,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,208 : 452,364 = 452,364 : x
  2. Step 2: Convert to fraction form
    291,208/452,364 = 452,364/x
  3. Step 3: Cross multiply
    291,208x = 452,364 × 452,364
  4. Step 4: Simplify right side
    291,208x = 204,633,188,496
  5. Step 5: Solve for x
    x = 204,633,188,496/291,208
  6. Step 6: Final answer
    x = 702,704.56

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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.