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Finding the Third Proportional to 805,605.75 and 1,058,811.75

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Solution

The third proportional to 805,605.75 and 1,058,811.75 is: 1,391,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,605.75 : 1,058,811.75 = 1,058,811.75 : x
  2. Step 2: Convert to fraction form
    805,605.75/1,058,811.75 = 1,058,811.75/x
  3. Step 3: Cross multiply
    805,605.75x = 1,058,811.75 × 1,058,811.75
  4. Step 4: Simplify right side
    805,605.75x = 1,121,082,321,938.06
  5. Step 5: Solve for x
    x = 1,121,082,321,938.06/805,605.75
  6. Step 6: Final answer
    x = 1,391,601.69

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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.