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Finding the Third Proportional to 141,282 and 305,508

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Solution

The third proportional to 141,282 and 305,508 is: 660,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,282 : 305,508 = 305,508 : x
  2. Step 2: Convert to fraction form
    141,282/305,508 = 305,508/x
  3. Step 3: Cross multiply
    141,282x = 305,508 × 305,508
  4. Step 4: Simplify right side
    141,282x = 93,335,138,064
  5. Step 5: Solve for x
    x = 93,335,138,064/141,282
  6. Step 6: Final answer
    x = 660,630.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.