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Finding the Third Proportional to 407,027 and 598,345

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Solution

The third proportional to 407,027 and 598,345 is: 879,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,027 : 598,345 = 598,345 : x
  2. Step 2: Convert to fraction form
    407,027/598,345 = 598,345/x
  3. Step 3: Cross multiply
    407,027x = 598,345 × 598,345
  4. Step 4: Simplify right side
    407,027x = 358,016,739,025
  5. Step 5: Solve for x
    x = 358,016,739,025/407,027
  6. Step 6: Final answer
    x = 879,589.66

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.