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Finding the Third Proportional to 197,235 and 426,011

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Solution

The third proportional to 197,235 and 426,011 is: 920,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,235 : 426,011 = 426,011 : x
  2. Step 2: Convert to fraction form
    197,235/426,011 = 426,011/x
  3. Step 3: Cross multiply
    197,235x = 426,011 × 426,011
  4. Step 4: Simplify right side
    197,235x = 181,485,372,121
  5. Step 5: Solve for x
    x = 181,485,372,121/197,235
  6. Step 6: Final answer
    x = 920,147.91

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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.