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Finding the Third Proportional to 291,268 and 452,448

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Solution

The third proportional to 291,268 and 452,448 is: 702,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,268 : 452,448 = 452,448 : x
  2. Step 2: Convert to fraction form
    291,268/452,448 = 452,448/x
  3. Step 3: Cross multiply
    291,268x = 452,448 × 452,448
  4. Step 4: Simplify right side
    291,268x = 204,709,192,704
  5. Step 5: Solve for x
    x = 204,709,192,704/291,268
  6. Step 6: Final answer
    x = 702,820.74

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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.