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Finding the Third Proportional to 626,684 and 1,286,544

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Solution

The third proportional to 626,684 and 1,286,544 is: 2,641,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,684 : 1,286,544 = 1,286,544 : x
  2. Step 2: Convert to fraction form
    626,684/1,286,544 = 1,286,544/x
  3. Step 3: Cross multiply
    626,684x = 1,286,544 × 1,286,544
  4. Step 4: Simplify right side
    626,684x = 1,655,195,463,936
  5. Step 5: Solve for x
    x = 1,655,195,463,936/626,684
  6. Step 6: Final answer
    x = 2,641,196.30

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.