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Finding the Third Proportional to 42,593 and 66,826

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Solution

The third proportional to 42,593 and 66,826 is: 104,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,593 : 66,826 = 66,826 : x
  2. Step 2: Convert to fraction form
    42,593/66,826 = 66,826/x
  3. Step 3: Cross multiply
    42,593x = 66,826 × 66,826
  4. Step 4: Simplify right side
    42,593x = 4,465,714,276
  5. Step 5: Solve for x
    x = 4,465,714,276/42,593
  6. Step 6: Final answer
    x = 104,846.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.