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Finding the Third Proportional to 181,915 and 424,901

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Solution

The third proportional to 181,915 and 424,901 is: 992,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,915 : 424,901 = 424,901 : x
  2. Step 2: Convert to fraction form
    181,915/424,901 = 424,901/x
  3. Step 3: Cross multiply
    181,915x = 424,901 × 424,901
  4. Step 4: Simplify right side
    181,915x = 180,540,859,801
  5. Step 5: Solve for x
    x = 180,540,859,801/181,915
  6. Step 6: Final answer
    x = 992,446.25

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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.