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Finding the Third Proportional to 197,376.75 and 425,781.56

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Solution

The third proportional to 197,376.75 and 425,781.56 is: 918,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,376.75 : 425,781.56 = 425,781.56 : x
  2. Step 2: Convert to fraction form
    197,376.75/425,781.56 = 425,781.56/x
  3. Step 3: Cross multiply
    197,376.75x = 425,781.56 × 425,781.56
  4. Step 4: Simplify right side
    197,376.75x = 181,289,938,964.94
  5. Step 5: Solve for x
    x = 181,289,938,964.94/197,376.75
  6. Step 6: Final answer
    x = 918,496.93

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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.