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Finding the Third Proportional to 412,267.88 and 630,662.25

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Solution

The third proportional to 412,267.88 and 630,662.25 is: 964,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,267.88 : 630,662.25 = 630,662.25 : x
  2. Step 2: Convert to fraction form
    412,267.88/630,662.25 = 630,662.25/x
  3. Step 3: Cross multiply
    412,267.88x = 630,662.25 × 630,662.25
  4. Step 4: Simplify right side
    412,267.88x = 397,734,873,575.06
  5. Step 5: Solve for x
    x = 397,734,873,575.06/412,267.88
  6. Step 6: Final answer
    x = 964,748.64

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.