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Finding the Third Proportional to 403,848 and 627,075

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Solution

The third proportional to 403,848 and 627,075 is: 973,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,848 : 627,075 = 627,075 : x
  2. Step 2: Convert to fraction form
    403,848/627,075 = 627,075/x
  3. Step 3: Cross multiply
    403,848x = 627,075 × 627,075
  4. Step 4: Simplify right side
    403,848x = 393,223,055,625
  5. Step 5: Solve for x
    x = 393,223,055,625/403,848
  6. Step 6: Final answer
    x = 973,690.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.