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Finding the Third Proportional to 45,912 and 98,520

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Solution

The third proportional to 45,912 and 98,520 is: 211,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912 : 98,520 = 98,520 : x
  2. Step 2: Convert to fraction form
    45,912/98,520 = 98,520/x
  3. Step 3: Cross multiply
    45,912x = 98,520 × 98,520
  4. Step 4: Simplify right side
    45,912x = 9,706,190,400
  5. Step 5: Solve for x
    x = 9,706,190,400/45,912
  6. Step 6: Final answer
    x = 211,408.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.