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Finding the Third Proportional to 233,416 and 339,918

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Solution

The third proportional to 233,416 and 339,918 is: 495,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,416 : 339,918 = 339,918 : x
  2. Step 2: Convert to fraction form
    233,416/339,918 = 339,918/x
  3. Step 3: Cross multiply
    233,416x = 339,918 × 339,918
  4. Step 4: Simplify right side
    233,416x = 115,544,246,724
  5. Step 5: Solve for x
    x = 115,544,246,724/233,416
  6. Step 6: Final answer
    x = 495,014.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.