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Finding the Third Proportional to 315,171 and 674,622

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Solution

The third proportional to 315,171 and 674,622 is: 1,444,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,171 : 674,622 = 674,622 : x
  2. Step 2: Convert to fraction form
    315,171/674,622 = 674,622/x
  3. Step 3: Cross multiply
    315,171x = 674,622 × 674,622
  4. Step 4: Simplify right side
    315,171x = 455,114,842,884
  5. Step 5: Solve for x
    x = 455,114,842,884/315,171
  6. Step 6: Final answer
    x = 1,444,025.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.