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Finding the Third Proportional to 13,267.50 and 27,897

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Solution

The third proportional to 13,267.50 and 27,897 is: 58,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.50 : 27,897 = 27,897 : x
  2. Step 2: Convert to fraction form
    13,267.50/27,897 = 27,897/x
  3. Step 3: Cross multiply
    13,267.50x = 27,897 × 27,897
  4. Step 4: Simplify right side
    13,267.50x = 778,242,609
  5. Step 5: Solve for x
    x = 778,242,609/13,267.50
  6. Step 6: Final answer
    x = 58,657.82

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.