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Finding the Third Proportional to 717,612 and 1,111,146.75

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Solution

The third proportional to 717,612 and 1,111,146.75 is: 1,720,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,612 : 1,111,146.75 = 1,111,146.75 : x
  2. Step 2: Convert to fraction form
    717,612/1,111,146.75 = 1,111,146.75/x
  3. Step 3: Cross multiply
    717,612x = 1,111,146.75 × 1,111,146.75
  4. Step 4: Simplify right side
    717,612x = 1,234,647,100,035.56
  5. Step 5: Solve for x
    x = 1,234,647,100,035.56/717,612
  6. Step 6: Final answer
    x = 1,720,493.94

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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.