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Finding the Third Proportional to 164,040.75 and 256,995

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Solution

The third proportional to 164,040.75 and 256,995 is: 402,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,040.75 : 256,995 = 256,995 : x
  2. Step 2: Convert to fraction form
    164,040.75/256,995 = 256,995/x
  3. Step 3: Cross multiply
    164,040.75x = 256,995 × 256,995
  4. Step 4: Simplify right side
    164,040.75x = 66,046,430,025
  5. Step 5: Solve for x
    x = 66,046,430,025/164,040.75
  6. Step 6: Final answer
    x = 402,622.09

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.