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Finding the Third Proportional to 61,511 and 130,366

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Solution

The third proportional to 61,511 and 130,366 is: 276,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511 : 130,366 = 130,366 : x
  2. Step 2: Convert to fraction form
    61,511/130,366 = 130,366/x
  3. Step 3: Cross multiply
    61,511x = 130,366 × 130,366
  4. Step 4: Simplify right side
    61,511x = 16,995,293,956
  5. Step 5: Solve for x
    x = 16,995,293,956/61,511
  6. Step 6: Final answer
    x = 276,296.82

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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.