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Finding the Third Proportional to 185,752 and 280,356

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Solution

The third proportional to 185,752 and 280,356 is: 423,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,752 : 280,356 = 280,356 : x
  2. Step 2: Convert to fraction form
    185,752/280,356 = 280,356/x
  3. Step 3: Cross multiply
    185,752x = 280,356 × 280,356
  4. Step 4: Simplify right side
    185,752x = 78,599,486,736
  5. Step 5: Solve for x
    x = 78,599,486,736/185,752
  6. Step 6: Final answer
    x = 423,142.08

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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.