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Finding the Third Proportional to 212,331 and 464,040

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Solution

The third proportional to 212,331 and 464,040 is: 1,014,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,331 : 464,040 = 464,040 : x
  2. Step 2: Convert to fraction form
    212,331/464,040 = 464,040/x
  3. Step 3: Cross multiply
    212,331x = 464,040 × 464,040
  4. Step 4: Simplify right side
    212,331x = 215,333,121,600
  5. Step 5: Solve for x
    x = 215,333,121,600/212,331
  6. Step 6: Final answer
    x = 1,014,138.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.