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Finding the Third Proportional to 118,490.63 and 181,694.25

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Solution

The third proportional to 118,490.63 and 181,694.25 is: 278,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,490.63 : 181,694.25 = 181,694.25 : x
  2. Step 2: Convert to fraction form
    118,490.63/181,694.25 = 181,694.25/x
  3. Step 3: Cross multiply
    118,490.63x = 181,694.25 × 181,694.25
  4. Step 4: Simplify right side
    118,490.63x = 33,012,800,483.06
  5. Step 5: Solve for x
    x = 33,012,800,483.06/118,490.63
  6. Step 6: Final answer
    x = 278,611.08

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.