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Finding the Third Proportional to 255,900 and 541,328

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Solution

The third proportional to 255,900 and 541,328 is: 1,145,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,900 : 541,328 = 541,328 : x
  2. Step 2: Convert to fraction form
    255,900/541,328 = 541,328/x
  3. Step 3: Cross multiply
    255,900x = 541,328 × 541,328
  4. Step 4: Simplify right side
    255,900x = 293,036,003,584
  5. Step 5: Solve for x
    x = 293,036,003,584/255,900
  6. Step 6: Final answer
    x = 1,145,119.20

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.