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Finding the Third Proportional to 621,969 and 952,611.75

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Solution

The third proportional to 621,969 and 952,611.75 is: 1,459,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,969 : 952,611.75 = 952,611.75 : x
  2. Step 2: Convert to fraction form
    621,969/952,611.75 = 952,611.75/x
  3. Step 3: Cross multiply
    621,969x = 952,611.75 × 952,611.75
  4. Step 4: Simplify right side
    621,969x = 907,469,146,238.06
  5. Step 5: Solve for x
    x = 907,469,146,238.06/621,969
  6. Step 6: Final answer
    x = 1,459,026.33

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.