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Finding the Third Proportional to 603,785 and 1,292,112

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Solution

The third proportional to 603,785 and 1,292,112 is: 2,765,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,785 : 1,292,112 = 1,292,112 : x
  2. Step 2: Convert to fraction form
    603,785/1,292,112 = 1,292,112/x
  3. Step 3: Cross multiply
    603,785x = 1,292,112 × 1,292,112
  4. Step 4: Simplify right side
    603,785x = 1,669,553,420,544
  5. Step 5: Solve for x
    x = 1,669,553,420,544/603,785
  6. Step 6: Final answer
    x = 2,765,145.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.