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Finding the Third Proportional to 163,258 and 247,351

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Solution

The third proportional to 163,258 and 247,351 is: 374,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,258 : 247,351 = 247,351 : x
  2. Step 2: Convert to fraction form
    163,258/247,351 = 247,351/x
  3. Step 3: Cross multiply
    163,258x = 247,351 × 247,351
  4. Step 4: Simplify right side
    163,258x = 61,182,517,201
  5. Step 5: Solve for x
    x = 61,182,517,201/163,258
  6. Step 6: Final answer
    x = 374,759.69

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.