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Finding the Third Proportional to 21,080 and 46,828

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Solution

The third proportional to 21,080 and 46,828 is: 104,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080 : 46,828 = 46,828 : x
  2. Step 2: Convert to fraction form
    21,080/46,828 = 46,828/x
  3. Step 3: Cross multiply
    21,080x = 46,828 × 46,828
  4. Step 4: Simplify right side
    21,080x = 2,192,861,584
  5. Step 5: Solve for x
    x = 2,192,861,584/21,080
  6. Step 6: Final answer
    x = 104,025.69

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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.