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Finding the Third Proportional to 643,317.75 and 946,258.88

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Solution

The third proportional to 643,317.75 and 946,258.88 is: 1,391,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,317.75 : 946,258.88 = 946,258.88 : x
  2. Step 2: Convert to fraction form
    643,317.75/946,258.88 = 946,258.88/x
  3. Step 3: Cross multiply
    643,317.75x = 946,258.88 × 946,258.88
  4. Step 4: Simplify right side
    643,317.75x = 895,405,858,516.27
  5. Step 5: Solve for x
    x = 895,405,858,516.27/643,317.75
  6. Step 6: Final answer
    x = 1,391,856.29

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.