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Finding the Third Proportional to 28,679 and 61,246

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Solution

The third proportional to 28,679 and 61,246 is: 130,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679 : 61,246 = 61,246 : x
  2. Step 2: Convert to fraction form
    28,679/61,246 = 61,246/x
  3. Step 3: Cross multiply
    28,679x = 61,246 × 61,246
  4. Step 4: Simplify right side
    28,679x = 3,751,072,516
  5. Step 5: Solve for x
    x = 3,751,072,516/28,679
  6. Step 6: Final answer
    x = 130,795.09

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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.