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Finding the Third Proportional to 621,484 and 940,626

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Solution

The third proportional to 621,484 and 940,626 is: 1,423,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,484 : 940,626 = 940,626 : x
  2. Step 2: Convert to fraction form
    621,484/940,626 = 940,626/x
  3. Step 3: Cross multiply
    621,484x = 940,626 × 940,626
  4. Step 4: Simplify right side
    621,484x = 884,777,271,876
  5. Step 5: Solve for x
    x = 884,777,271,876/621,484
  6. Step 6: Final answer
    x = 1,423,652.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.