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Finding the Third Proportional to 35,140.50 and 55,839

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Solution

The third proportional to 35,140.50 and 55,839 is: 88,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.50 : 55,839 = 55,839 : x
  2. Step 2: Convert to fraction form
    35,140.50/55,839 = 55,839/x
  3. Step 3: Cross multiply
    35,140.50x = 55,839 × 55,839
  4. Step 4: Simplify right side
    35,140.50x = 3,117,993,921
  5. Step 5: Solve for x
    x = 3,117,993,921/35,140.50
  6. Step 6: Final answer
    x = 88,729.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.