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Finding the Third Proportional to 21,243 and 46,698

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Solution

The third proportional to 21,243 and 46,698 is: 102,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,243 : 46,698 = 46,698 : x
  2. Step 2: Convert to fraction form
    21,243/46,698 = 46,698/x
  3. Step 3: Cross multiply
    21,243x = 46,698 × 46,698
  4. Step 4: Simplify right side
    21,243x = 2,180,703,204
  5. Step 5: Solve for x
    x = 2,180,703,204/21,243
  6. Step 6: Final answer
    x = 102,655.14

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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.