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Finding the Third Proportional to 188,468 and 291,452

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Solution

The third proportional to 188,468 and 291,452 is: 450,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,468 : 291,452 = 291,452 : x
  2. Step 2: Convert to fraction form
    188,468/291,452 = 291,452/x
  3. Step 3: Cross multiply
    188,468x = 291,452 × 291,452
  4. Step 4: Simplify right side
    188,468x = 84,944,268,304
  5. Step 5: Solve for x
    x = 84,944,268,304/188,468
  6. Step 6: Final answer
    x = 450,709.24

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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.