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Finding the Third Proportional to 189,290.25 and 404,844.75

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Solution

The third proportional to 189,290.25 and 404,844.75 is: 865,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,290.25 : 404,844.75 = 404,844.75 : x
  2. Step 2: Convert to fraction form
    189,290.25/404,844.75 = 404,844.75/x
  3. Step 3: Cross multiply
    189,290.25x = 404,844.75 × 404,844.75
  4. Step 4: Simplify right side
    189,290.25x = 163,899,271,602.56
  5. Step 5: Solve for x
    x = 163,899,271,602.56/189,290.25
  6. Step 6: Final answer
    x = 865,862.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.