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Finding the Third Proportional to 185,844 and 280,506

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Solution

The third proportional to 185,844 and 280,506 is: 423,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,844 : 280,506 = 280,506 : x
  2. Step 2: Convert to fraction form
    185,844/280,506 = 280,506/x
  3. Step 3: Cross multiply
    185,844x = 280,506 × 280,506
  4. Step 4: Simplify right side
    185,844x = 78,683,616,036
  5. Step 5: Solve for x
    x = 78,683,616,036/185,844
  6. Step 6: Final answer
    x = 423,385.29

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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.