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Finding the Third Proportional to 19,983.50 and 26,660

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Solution

The third proportional to 19,983.50 and 26,660 is: 35,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.50 : 26,660 = 26,660 : x
  2. Step 2: Convert to fraction form
    19,983.50/26,660 = 26,660/x
  3. Step 3: Cross multiply
    19,983.50x = 26,660 × 26,660
  4. Step 4: Simplify right side
    19,983.50x = 710,755,600
  5. Step 5: Solve for x
    x = 710,755,600/19,983.50
  6. Step 6: Final answer
    x = 35,567.12

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.