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Finding the Third Proportional to 21,329 and 46,897

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Solution

The third proportional to 21,329 and 46,897 is: 103,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,329 : 46,897 = 46,897 : x
  2. Step 2: Convert to fraction form
    21,329/46,897 = 46,897/x
  3. Step 3: Cross multiply
    21,329x = 46,897 × 46,897
  4. Step 4: Simplify right side
    21,329x = 2,199,328,609
  5. Step 5: Solve for x
    x = 2,199,328,609/21,329
  6. Step 6: Final answer
    x = 103,114.47

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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.