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Finding the Third Proportional to 197,564.50 and 426,718

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Solution

The third proportional to 197,564.50 and 426,718 is: 921,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,564.50 : 426,718 = 426,718 : x
  2. Step 2: Convert to fraction form
    197,564.50/426,718 = 426,718/x
  3. Step 3: Cross multiply
    197,564.50x = 426,718 × 426,718
  4. Step 4: Simplify right side
    197,564.50x = 182,088,251,524
  5. Step 5: Solve for x
    x = 182,088,251,524/197,564.50
  6. Step 6: Final answer
    x = 921,664.83

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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.