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Finding the Third Proportional to 197,324.54 and 426,223.90

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Solution

The third proportional to 197,324.54 and 426,223.90 is: 920,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,324.54 : 426,223.90 = 426,223.90 : x
  2. Step 2: Convert to fraction form
    197,324.54/426,223.90 = 426,223.90/x
  3. Step 3: Cross multiply
    197,324.54x = 426,223.90 × 426,223.90
  4. Step 4: Simplify right side
    197,324.54x = 181,666,811,599.26
  5. Step 5: Solve for x
    x = 181,666,811,599.26/197,324.54
  6. Step 6: Final answer
    x = 920,649.85

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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.