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Finding the Third Proportional to 149,925.75 and 322,083

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Solution

The third proportional to 149,925.75 and 322,083 is: 691,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,925.75 : 322,083 = 322,083 : x
  2. Step 2: Convert to fraction form
    149,925.75/322,083 = 322,083/x
  3. Step 3: Cross multiply
    149,925.75x = 322,083 × 322,083
  4. Step 4: Simplify right side
    149,925.75x = 103,737,458,889
  5. Step 5: Solve for x
    x = 103,737,458,889/149,925.75
  6. Step 6: Final answer
    x = 691,925.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.