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Finding the Third Proportional to 61,299 and 131,346

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Solution

The third proportional to 61,299 and 131,346 is: 281,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,299 : 131,346 = 131,346 : x
  2. Step 2: Convert to fraction form
    61,299/131,346 = 131,346/x
  3. Step 3: Cross multiply
    61,299x = 131,346 × 131,346
  4. Step 4: Simplify right side
    61,299x = 17,251,771,716
  5. Step 5: Solve for x
    x = 17,251,771,716/61,299
  6. Step 6: Final answer
    x = 281,436.43

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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.