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Finding the Third Proportional to 756,720 and 1,135,188

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Solution

The third proportional to 756,720 and 1,135,188 is: 1,702,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,720 : 1,135,188 = 1,135,188 : x
  2. Step 2: Convert to fraction form
    756,720/1,135,188 = 1,135,188/x
  3. Step 3: Cross multiply
    756,720x = 1,135,188 × 1,135,188
  4. Step 4: Simplify right side
    756,720x = 1,288,651,795,344
  5. Step 5: Solve for x
    x = 1,288,651,795,344/756,720
  6. Step 6: Final answer
    x = 1,702,944.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.