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Finding the Third Proportional to 414,318 and 627,078

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Solution

The third proportional to 414,318 and 627,078 is: 949,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,318 : 627,078 = 627,078 : x
  2. Step 2: Convert to fraction form
    414,318/627,078 = 627,078/x
  3. Step 3: Cross multiply
    414,318x = 627,078 × 627,078
  4. Step 4: Simplify right side
    414,318x = 393,226,818,084
  5. Step 5: Solve for x
    x = 393,226,818,084/414,318
  6. Step 6: Final answer
    x = 949,094.22

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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.