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Finding the Third Proportional to 26,840.50 and 58,991

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Solution

The third proportional to 26,840.50 and 58,991 is: 129,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.50 : 58,991 = 58,991 : x
  2. Step 2: Convert to fraction form
    26,840.50/58,991 = 58,991/x
  3. Step 3: Cross multiply
    26,840.50x = 58,991 × 58,991
  4. Step 4: Simplify right side
    26,840.50x = 3,479,938,081
  5. Step 5: Solve for x
    x = 3,479,938,081/26,840.50
  6. Step 6: Final answer
    x = 129,652.51

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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.