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Finding the Third Proportional to 181,921 and 424,916

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Solution

The third proportional to 181,921 and 424,916 is: 992,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,921 : 424,916 = 424,916 : x
  2. Step 2: Convert to fraction form
    181,921/424,916 = 424,916/x
  3. Step 3: Cross multiply
    181,921x = 424,916 × 424,916
  4. Step 4: Simplify right side
    181,921x = 180,553,607,056
  5. Step 5: Solve for x
    x = 180,553,607,056/181,921
  6. Step 6: Final answer
    x = 992,483.59

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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.