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Finding the Third Proportional to 21,080 and 46,826

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Solution

The third proportional to 21,080 and 46,826 is: 104,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080 : 46,826 = 46,826 : x
  2. Step 2: Convert to fraction form
    21,080/46,826 = 46,826/x
  3. Step 3: Cross multiply
    21,080x = 46,826 × 46,826
  4. Step 4: Simplify right side
    21,080x = 2,192,674,276
  5. Step 5: Solve for x
    x = 2,192,674,276/21,080
  6. Step 6: Final answer
    x = 104,016.81

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.