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Finding the Third Proportional to 197,498.25 and 424,971.56

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Solution

The third proportional to 197,498.25 and 424,971.56 is: 914,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,498.25 : 424,971.56 = 424,971.56 : x
  2. Step 2: Convert to fraction form
    197,498.25/424,971.56 = 424,971.56/x
  3. Step 3: Cross multiply
    197,498.25x = 424,971.56 × 424,971.56
  4. Step 4: Simplify right side
    197,498.25x = 180,600,828,933.69
  5. Step 5: Solve for x
    x = 180,600,828,933.69/197,498.25
  6. Step 6: Final answer
    x = 914,442.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.