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Finding the Third Proportional to 102,992 and 146,998

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Solution

The third proportional to 102,992 and 146,998 is: 209,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,992 : 146,998 = 146,998 : x
  2. Step 2: Convert to fraction form
    102,992/146,998 = 146,998/x
  3. Step 3: Cross multiply
    102,992x = 146,998 × 146,998
  4. Step 4: Simplify right side
    102,992x = 21,608,412,004
  5. Step 5: Solve for x
    x = 21,608,412,004/102,992
  6. Step 6: Final answer
    x = 209,806.70

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.