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Finding the Third Proportional to 254,313 and 384,743.25

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Solution

The third proportional to 254,313 and 384,743.25 is: 582,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,313 : 384,743.25 = 384,743.25 : x
  2. Step 2: Convert to fraction form
    254,313/384,743.25 = 384,743.25/x
  3. Step 3: Cross multiply
    254,313x = 384,743.25 × 384,743.25
  4. Step 4: Simplify right side
    254,313x = 148,027,368,420.56
  5. Step 5: Solve for x
    x = 148,027,368,420.56/254,313
  6. Step 6: Final answer
    x = 582,067.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.