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Finding the Third Proportional to 61,514 and 130,372

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Solution

The third proportional to 61,514 and 130,372 is: 276,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,514 : 130,372 = 130,372 : x
  2. Step 2: Convert to fraction form
    61,514/130,372 = 130,372/x
  3. Step 3: Cross multiply
    61,514x = 130,372 × 130,372
  4. Step 4: Simplify right side
    61,514x = 16,996,858,384
  5. Step 5: Solve for x
    x = 16,996,858,384/61,514
  6. Step 6: Final answer
    x = 276,308.78

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.