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Finding the Third Proportional to 154,932 and 328,467

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Solution

The third proportional to 154,932 and 328,467 is: 696,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,932 : 328,467 = 328,467 : x
  2. Step 2: Convert to fraction form
    154,932/328,467 = 328,467/x
  3. Step 3: Cross multiply
    154,932x = 328,467 × 328,467
  4. Step 4: Simplify right side
    154,932x = 107,890,570,089
  5. Step 5: Solve for x
    x = 107,890,570,089/154,932
  6. Step 6: Final answer
    x = 696,373.70

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.