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Finding the Third Proportional to 98,717 and 144,374

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Solution

The third proportional to 98,717 and 144,374 is: 211,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,717 : 144,374 = 144,374 : x
  2. Step 2: Convert to fraction form
    98,717/144,374 = 144,374/x
  3. Step 3: Cross multiply
    98,717x = 144,374 × 144,374
  4. Step 4: Simplify right side
    98,717x = 20,843,851,876
  5. Step 5: Solve for x
    x = 20,843,851,876/98,717
  6. Step 6: Final answer
    x = 211,147.54

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.