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Finding the Third Proportional to 427,466.11 and 667,078.66

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Solution

The third proportional to 427,466.11 and 667,078.66 is: 1,041,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,466.11 : 667,078.66 = 667,078.66 : x
  2. Step 2: Convert to fraction form
    427,466.11/667,078.66 = 667,078.66/x
  3. Step 3: Cross multiply
    427,466.11x = 667,078.66 × 667,078.66
  4. Step 4: Simplify right side
    427,466.11x = 444,993,944,047.38
  5. Step 5: Solve for x
    x = 444,993,944,047.38/427,466.11
  6. Step 6: Final answer
    x = 1,041,004.03

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.