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Finding the Third Proportional to 139,092.19 and 303,663.94

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Solution

The third proportional to 139,092.19 and 303,663.94 is: 662,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,092.19 : 303,663.94 = 303,663.94 : x
  2. Step 2: Convert to fraction form
    139,092.19/303,663.94 = 303,663.94/x
  3. Step 3: Cross multiply
    139,092.19x = 303,663.94 × 303,663.94
  4. Step 4: Simplify right side
    139,092.19x = 92,211,786,938.00
  5. Step 5: Solve for x
    x = 92,211,786,938.00/139,092.19
  6. Step 6: Final answer
    x = 662,954.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.