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Finding the Third Proportional to 52,985 and 115,812

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Solution

The third proportional to 52,985 and 115,812 is: 253,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985 : 115,812 = 115,812 : x
  2. Step 2: Convert to fraction form
    52,985/115,812 = 115,812/x
  3. Step 3: Cross multiply
    52,985x = 115,812 × 115,812
  4. Step 4: Simplify right side
    52,985x = 13,412,419,344
  5. Step 5: Solve for x
    x = 13,412,419,344/52,985
  6. Step 6: Final answer
    x = 253,136.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.