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Finding the Third Proportional to 154,840.36 and 339,205.22

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Solution

The third proportional to 154,840.36 and 339,205.22 is: 743,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,840.36 : 339,205.22 = 339,205.22 : x
  2. Step 2: Convert to fraction form
    154,840.36/339,205.22 = 339,205.22/x
  3. Step 3: Cross multiply
    154,840.36x = 339,205.22 × 339,205.22
  4. Step 4: Simplify right side
    154,840.36x = 115,060,180,427.24
  5. Step 5: Solve for x
    x = 115,060,180,427.24/154,840.36
  6. Step 6: Final answer
    x = 743,089.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.