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Finding the Third Proportional to 291,282 and 452,469

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Solution

The third proportional to 291,282 and 452,469 is: 702,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,282 : 452,469 = 452,469 : x
  2. Step 2: Convert to fraction form
    291,282/452,469 = 452,469/x
  3. Step 3: Cross multiply
    291,282x = 452,469 × 452,469
  4. Step 4: Simplify right side
    291,282x = 204,728,195,961
  5. Step 5: Solve for x
    x = 204,728,195,961/291,282
  6. Step 6: Final answer
    x = 702,852.20

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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.