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Finding the Third Proportional to 279,621 and 444,768

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Solution

The third proportional to 279,621 and 444,768 is: 707,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,621 : 444,768 = 444,768 : x
  2. Step 2: Convert to fraction form
    279,621/444,768 = 444,768/x
  3. Step 3: Cross multiply
    279,621x = 444,768 × 444,768
  4. Step 4: Simplify right side
    279,621x = 197,818,573,824
  5. Step 5: Solve for x
    x = 197,818,573,824/279,621
  6. Step 6: Final answer
    x = 707,452.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.