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Finding the Third Proportional to 554,584 and 1,135,400

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Solution

The third proportional to 554,584 and 1,135,400 is: 2,324,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,584 : 1,135,400 = 1,135,400 : x
  2. Step 2: Convert to fraction form
    554,584/1,135,400 = 1,135,400/x
  3. Step 3: Cross multiply
    554,584x = 1,135,400 × 1,135,400
  4. Step 4: Simplify right side
    554,584x = 1,289,133,160,000
  5. Step 5: Solve for x
    x = 1,289,133,160,000/554,584
  6. Step 6: Final answer
    x = 2,324,504.78

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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.