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Finding the Third Proportional to 114,220 and 181,890

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Solution

The third proportional to 114,220 and 181,890 is: 289,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,220 : 181,890 = 181,890 : x
  2. Step 2: Convert to fraction form
    114,220/181,890 = 181,890/x
  3. Step 3: Cross multiply
    114,220x = 181,890 × 181,890
  4. Step 4: Simplify right side
    114,220x = 33,083,972,100
  5. Step 5: Solve for x
    x = 33,083,972,100/114,220
  6. Step 6: Final answer
    x = 289,651.31

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.