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Finding the Third Proportional to 68,182 and 145,841

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Solution

The third proportional to 68,182 and 145,841 is: 311,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,182 : 145,841 = 145,841 : x
  2. Step 2: Convert to fraction form
    68,182/145,841 = 145,841/x
  3. Step 3: Cross multiply
    68,182x = 145,841 × 145,841
  4. Step 4: Simplify right side
    68,182x = 21,269,597,281
  5. Step 5: Solve for x
    x = 21,269,597,281/68,182
  6. Step 6: Final answer
    x = 311,953.26

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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.