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Finding the Third Proportional to 450,976 and 971,720

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Solution

The third proportional to 450,976 and 971,720 is: 2,093,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,976 : 971,720 = 971,720 : x
  2. Step 2: Convert to fraction form
    450,976/971,720 = 971,720/x
  3. Step 3: Cross multiply
    450,976x = 971,720 × 971,720
  4. Step 4: Simplify right side
    450,976x = 944,239,758,400
  5. Step 5: Solve for x
    x = 944,239,758,400/450,976
  6. Step 6: Final answer
    x = 2,093,769.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.