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Finding the Third Proportional to 5,110.50 and 9,897

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Solution

The third proportional to 5,110.50 and 9,897 is: 19,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.50 : 9,897 = 9,897 : x
  2. Step 2: Convert to fraction form
    5,110.50/9,897 = 9,897/x
  3. Step 3: Cross multiply
    5,110.50x = 9,897 × 9,897
  4. Step 4: Simplify right side
    5,110.50x = 97,950,609
  5. Step 5: Solve for x
    x = 97,950,609/5,110.50
  6. Step 6: Final answer
    x = 19,166.54

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.