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Finding the Third Proportional to 289,251 and 622,953

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Solution

The third proportional to 289,251 and 622,953 is: 1,341,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,251 : 622,953 = 622,953 : x
  2. Step 2: Convert to fraction form
    289,251/622,953 = 622,953/x
  3. Step 3: Cross multiply
    289,251x = 622,953 × 622,953
  4. Step 4: Simplify right side
    289,251x = 388,070,440,209
  5. Step 5: Solve for x
    x = 388,070,440,209/289,251
  6. Step 6: Final answer
    x = 1,341,639.06

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