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Finding the Third Proportional to 542,616 and 1,100,000

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Solution

The third proportional to 542,616 and 1,100,000 is: 2,229,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,616 : 1,100,000 = 1,100,000 : x
  2. Step 2: Convert to fraction form
    542,616/1,100,000 = 1,100,000/x
  3. Step 3: Cross multiply
    542,616x = 1,100,000 × 1,100,000
  4. Step 4: Simplify right side
    542,616x = 1,210,000,000,000
  5. Step 5: Solve for x
    x = 1,210,000,000,000/542,616
  6. Step 6: Final answer
    x = 2,229,937.93

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.