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Finding the Third Proportional to 181,917 and 424,939.50

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Solution

The third proportional to 181,917 and 424,939.50 is: 992,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,917 : 424,939.50 = 424,939.50 : x
  2. Step 2: Convert to fraction form
    181,917/424,939.50 = 424,939.50/x
  3. Step 3: Cross multiply
    181,917x = 424,939.50 × 424,939.50
  4. Step 4: Simplify right side
    181,917x = 180,573,578,660.25
  5. Step 5: Solve for x
    x = 180,573,578,660.25/181,917
  6. Step 6: Final answer
    x = 992,615.20

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.