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Finding the Third Proportional to 98,761.50 and 214,383

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Solution

The third proportional to 98,761.50 and 214,383 is: 465,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,761.50 : 214,383 = 214,383 : x
  2. Step 2: Convert to fraction form
    98,761.50/214,383 = 214,383/x
  3. Step 3: Cross multiply
    98,761.50x = 214,383 × 214,383
  4. Step 4: Simplify right side
    98,761.50x = 45,960,070,689
  5. Step 5: Solve for x
    x = 45,960,070,689/98,761.50
  6. Step 6: Final answer
    x = 465,364.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.