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Finding the Third Proportional to 187,768.13 and 417,517.03

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Solution

The third proportional to 187,768.13 and 417,517.03 is: 928,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,768.13 : 417,517.03 = 417,517.03 : x
  2. Step 2: Convert to fraction form
    187,768.13/417,517.03 = 417,517.03/x
  3. Step 3: Cross multiply
    187,768.13x = 417,517.03 × 417,517.03
  4. Step 4: Simplify right side
    187,768.13x = 174,320,471,383.81
  5. Step 5: Solve for x
    x = 174,320,471,383.81/187,768.13
  6. Step 6: Final answer
    x = 928,381.60

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.