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Finding the Third Proportional to 454,488 and 672,984

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Solution

The third proportional to 454,488 and 672,984 is: 996,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,488 : 672,984 = 672,984 : x
  2. Step 2: Convert to fraction form
    454,488/672,984 = 672,984/x
  3. Step 3: Cross multiply
    454,488x = 672,984 × 672,984
  4. Step 4: Simplify right side
    454,488x = 452,907,464,256
  5. Step 5: Solve for x
    x = 452,907,464,256/454,488
  6. Step 6: Final answer
    x = 996,522.38

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.