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Finding the Third Proportional to 296,238 and 423,324

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Solution

The third proportional to 296,238 and 423,324 is: 604,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,238 : 423,324 = 423,324 : x
  2. Step 2: Convert to fraction form
    296,238/423,324 = 423,324/x
  3. Step 3: Cross multiply
    296,238x = 423,324 × 423,324
  4. Step 4: Simplify right side
    296,238x = 179,203,208,976
  5. Step 5: Solve for x
    x = 179,203,208,976/296,238
  6. Step 6: Final answer
    x = 604,929.85

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.