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Finding the Third Proportional to 251,130 and 542,100

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Solution

The third proportional to 251,130 and 542,100 is: 1,170,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,130 : 542,100 = 542,100 : x
  2. Step 2: Convert to fraction form
    251,130/542,100 = 542,100/x
  3. Step 3: Cross multiply
    251,130x = 542,100 × 542,100
  4. Step 4: Simplify right side
    251,130x = 293,872,410,000
  5. Step 5: Solve for x
    x = 293,872,410,000/251,130
  6. Step 6: Final answer
    x = 1,170,200.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.