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Finding the Third Proportional to 21,246 and 46,687

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Solution

The third proportional to 21,246 and 46,687 is: 102,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246 : 46,687 = 46,687 : x
  2. Step 2: Convert to fraction form
    21,246/46,687 = 46,687/x
  3. Step 3: Cross multiply
    21,246x = 46,687 × 46,687
  4. Step 4: Simplify right side
    21,246x = 2,179,675,969
  5. Step 5: Solve for x
    x = 2,179,675,969/21,246
  6. Step 6: Final answer
    x = 102,592.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.