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Finding the Third Proportional to 427,961 and 662,324

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Solution

The third proportional to 427,961 and 662,324 is: 1,025,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,961 : 662,324 = 662,324 : x
  2. Step 2: Convert to fraction form
    427,961/662,324 = 662,324/x
  3. Step 3: Cross multiply
    427,961x = 662,324 × 662,324
  4. Step 4: Simplify right side
    427,961x = 438,673,080,976
  5. Step 5: Solve for x
    x = 438,673,080,976/427,961
  6. Step 6: Final answer
    x = 1,025,030.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.