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Finding the Third Proportional to 414,046 and 627,280

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Solution

The third proportional to 414,046 and 627,280 is: 950,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,046 : 627,280 = 627,280 : x
  2. Step 2: Convert to fraction form
    414,046/627,280 = 627,280/x
  3. Step 3: Cross multiply
    414,046x = 627,280 × 627,280
  4. Step 4: Simplify right side
    414,046x = 393,480,198,400
  5. Step 5: Solve for x
    x = 393,480,198,400/414,046
  6. Step 6: Final answer
    x = 950,329.67

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.