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Finding the Third Proportional to 190,368 and 450,992.25

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Solution

The third proportional to 190,368 and 450,992.25 is: 1,068,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,368 : 450,992.25 = 450,992.25 : x
  2. Step 2: Convert to fraction form
    190,368/450,992.25 = 450,992.25/x
  3. Step 3: Cross multiply
    190,368x = 450,992.25 × 450,992.25
  4. Step 4: Simplify right side
    190,368x = 203,394,009,560.06
  5. Step 5: Solve for x
    x = 203,394,009,560.06/190,368
  6. Step 6: Final answer
    x = 1,068,425.42

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.