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Finding the Third Proportional to 171,261 and 263,560.50

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Solution

The third proportional to 171,261 and 263,560.50 is: 405,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,261 : 263,560.50 = 263,560.50 : x
  2. Step 2: Convert to fraction form
    171,261/263,560.50 = 263,560.50/x
  3. Step 3: Cross multiply
    171,261x = 263,560.50 × 263,560.50
  4. Step 4: Simplify right side
    171,261x = 69,464,137,160.25
  5. Step 5: Solve for x
    x = 69,464,137,160.25/171,261
  6. Step 6: Final answer
    x = 405,603.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.