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Finding the Third Proportional to 40,515 and 61,326

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Solution

The third proportional to 40,515 and 61,326 is: 92,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515 : 61,326 = 61,326 : x
  2. Step 2: Convert to fraction form
    40,515/61,326 = 61,326/x
  3. Step 3: Cross multiply
    40,515x = 61,326 × 61,326
  4. Step 4: Simplify right side
    40,515x = 3,760,878,276
  5. Step 5: Solve for x
    x = 3,760,878,276/40,515
  6. Step 6: Final answer
    x = 92,826.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.