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Finding the Third Proportional to 21,216.38 and 46,236.94

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Solution

The third proportional to 21,216.38 and 46,236.94 is: 100,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,216.38 : 46,236.94 = 46,236.94 : x
  2. Step 2: Convert to fraction form
    21,216.38/46,236.94 = 46,236.94/x
  3. Step 3: Cross multiply
    21,216.38x = 46,236.94 × 46,236.94
  4. Step 4: Simplify right side
    21,216.38x = 2,137,854,389.38
  5. Step 5: Solve for x
    x = 2,137,854,389.38/21,216.38
  6. Step 6: Final answer
    x = 100,764.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.