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Finding the Third Proportional to 98,256 and 210,531

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Solution

The third proportional to 98,256 and 210,531 is: 451,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,256 : 210,531 = 210,531 : x
  2. Step 2: Convert to fraction form
    98,256/210,531 = 210,531/x
  3. Step 3: Cross multiply
    98,256x = 210,531 × 210,531
  4. Step 4: Simplify right side
    98,256x = 44,323,301,961
  5. Step 5: Solve for x
    x = 44,323,301,961/98,256
  6. Step 6: Final answer
    x = 451,100.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.