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Finding the Third Proportional to 370,908 and 668,003

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Solution

The third proportional to 370,908 and 668,003 is: 1,203,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,908 : 668,003 = 668,003 : x
  2. Step 2: Convert to fraction form
    370,908/668,003 = 668,003/x
  3. Step 3: Cross multiply
    370,908x = 668,003 × 668,003
  4. Step 4: Simplify right side
    370,908x = 446,228,008,009
  5. Step 5: Solve for x
    x = 446,228,008,009/370,908
  6. Step 6: Final answer
    x = 1,203,069.25

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.