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Finding the Third Proportional to 665,925.75 and 1,438,257.75

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Solution

The third proportional to 665,925.75 and 1,438,257.75 is: 3,106,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,925.75 : 1,438,257.75 = 1,438,257.75 : x
  2. Step 2: Convert to fraction form
    665,925.75/1,438,257.75 = 1,438,257.75/x
  3. Step 3: Cross multiply
    665,925.75x = 1,438,257.75 × 1,438,257.75
  4. Step 4: Simplify right side
    665,925.75x = 2,068,585,355,435.06
  5. Step 5: Solve for x
    x = 2,068,585,355,435.06/665,925.75
  6. Step 6: Final answer
    x = 3,106,330.33

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.