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Finding the Third Proportional to 35,718 and 68,194

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Solution

The third proportional to 35,718 and 68,194 is: 130,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718 : 68,194 = 68,194 : x
  2. Step 2: Convert to fraction form
    35,718/68,194 = 68,194/x
  3. Step 3: Cross multiply
    35,718x = 68,194 × 68,194
  4. Step 4: Simplify right side
    35,718x = 4,650,421,636
  5. Step 5: Solve for x
    x = 4,650,421,636/35,718
  6. Step 6: Final answer
    x = 130,198.27

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.