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Finding the Third Proportional to 454,617 and 681,925

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Solution

The third proportional to 454,617 and 681,925 is: 1,022,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,617 : 681,925 = 681,925 : x
  2. Step 2: Convert to fraction form
    454,617/681,925 = 681,925/x
  3. Step 3: Cross multiply
    454,617x = 681,925 × 681,925
  4. Step 4: Simplify right side
    454,617x = 465,021,705,625
  5. Step 5: Solve for x
    x = 465,021,705,625/454,617
  6. Step 6: Final answer
    x = 1,022,886.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.