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Finding the Third Proportional to 207,258 and 442,956

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Solution

The third proportional to 207,258 and 442,956 is: 946,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,258 : 442,956 = 442,956 : x
  2. Step 2: Convert to fraction form
    207,258/442,956 = 442,956/x
  3. Step 3: Cross multiply
    207,258x = 442,956 × 442,956
  4. Step 4: Simplify right side
    207,258x = 196,210,017,936
  5. Step 5: Solve for x
    x = 196,210,017,936/207,258
  6. Step 6: Final answer
    x = 946,694.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.