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Finding the Third Proportional to 294,563 and 450,404

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Solution

The third proportional to 294,563 and 450,404 is: 688,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,563 : 450,404 = 450,404 : x
  2. Step 2: Convert to fraction form
    294,563/450,404 = 450,404/x
  3. Step 3: Cross multiply
    294,563x = 450,404 × 450,404
  4. Step 4: Simplify right side
    294,563x = 202,863,763,216
  5. Step 5: Solve for x
    x = 202,863,763,216/294,563
  6. Step 6: Final answer
    x = 688,693.97

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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.