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Finding the Third Proportional to 256,192 and 550,291

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Solution

The third proportional to 256,192 and 550,291 is: 1,182,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,192 : 550,291 = 550,291 : x
  2. Step 2: Convert to fraction form
    256,192/550,291 = 550,291/x
  3. Step 3: Cross multiply
    256,192x = 550,291 × 550,291
  4. Step 4: Simplify right side
    256,192x = 302,820,184,681
  5. Step 5: Solve for x
    x = 302,820,184,681/256,192
  6. Step 6: Final answer
    x = 1,182,004.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.