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Finding the Third Proportional to 622,176.75 and 989,304.75

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Solution

The third proportional to 622,176.75 and 989,304.75 is: 1,573,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,176.75 : 989,304.75 = 989,304.75 : x
  2. Step 2: Convert to fraction form
    622,176.75/989,304.75 = 989,304.75/x
  3. Step 3: Cross multiply
    622,176.75x = 989,304.75 × 989,304.75
  4. Step 4: Simplify right side
    622,176.75x = 978,723,888,372.56
  5. Step 5: Solve for x
    x = 978,723,888,372.56/622,176.75
  6. Step 6: Final answer
    x = 1,573,064.07

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.