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Finding the Third Proportional to 627,178 and 942,181

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Solution

The third proportional to 627,178 and 942,181 is: 1,415,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,178 : 942,181 = 942,181 : x
  2. Step 2: Convert to fraction form
    627,178/942,181 = 942,181/x
  3. Step 3: Cross multiply
    627,178x = 942,181 × 942,181
  4. Step 4: Simplify right side
    627,178x = 887,705,036,761
  5. Step 5: Solve for x
    x = 887,705,036,761/627,178
  6. Step 6: Final answer
    x = 1,415,395.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.