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Finding the Third Proportional to 123,954 and 268,515.75

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Solution

The third proportional to 123,954 and 268,515.75 is: 581,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,954 : 268,515.75 = 268,515.75 : x
  2. Step 2: Convert to fraction form
    123,954/268,515.75 = 268,515.75/x
  3. Step 3: Cross multiply
    123,954x = 268,515.75 × 268,515.75
  4. Step 4: Simplify right side
    123,954x = 72,100,707,998.06
  5. Step 5: Solve for x
    x = 72,100,707,998.06/123,954
  6. Step 6: Final answer
    x = 581,673.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.