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Finding the Third Proportional to 151,972 and 330,700

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Solution

The third proportional to 151,972 and 330,700 is: 719,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,972 : 330,700 = 330,700 : x
  2. Step 2: Convert to fraction form
    151,972/330,700 = 330,700/x
  3. Step 3: Cross multiply
    151,972x = 330,700 × 330,700
  4. Step 4: Simplify right side
    151,972x = 109,362,490,000
  5. Step 5: Solve for x
    x = 109,362,490,000/151,972
  6. Step 6: Final answer
    x = 719,622.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.