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Finding the Third Proportional to 590,757.75 and 916,512.75

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Solution

The third proportional to 590,757.75 and 916,512.75 is: 1,421,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,757.75 : 916,512.75 = 916,512.75 : x
  2. Step 2: Convert to fraction form
    590,757.75/916,512.75 = 916,512.75/x
  3. Step 3: Cross multiply
    590,757.75x = 916,512.75 × 916,512.75
  4. Step 4: Simplify right side
    590,757.75x = 839,995,620,912.56
  5. Step 5: Solve for x
    x = 839,995,620,912.56/590,757.75
  6. Step 6: Final answer
    x = 1,421,895.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.