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Finding the Third Proportional to 454,828 and 982,040

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Solution

The third proportional to 454,828 and 982,040 is: 2,120,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,828 : 982,040 = 982,040 : x
  2. Step 2: Convert to fraction form
    454,828/982,040 = 982,040/x
  3. Step 3: Cross multiply
    454,828x = 982,040 × 982,040
  4. Step 4: Simplify right side
    454,828x = 964,402,561,600
  5. Step 5: Solve for x
    x = 964,402,561,600/454,828
  6. Step 6: Final answer
    x = 2,120,367.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.