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Finding the Third Proportional to 77,219.88 and 169,201.94

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Solution

The third proportional to 77,219.88 and 169,201.94 is: 370,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,219.88 : 169,201.94 = 169,201.94 : x
  2. Step 2: Convert to fraction form
    77,219.88/169,201.94 = 169,201.94/x
  3. Step 3: Cross multiply
    77,219.88x = 169,201.94 × 169,201.94
  4. Step 4: Simplify right side
    77,219.88x = 28,629,295,653.75
  5. Step 5: Solve for x
    x = 28,629,295,653.75/77,219.88
  6. Step 6: Final answer
    x = 370,750.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.