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Finding the Third Proportional to 84,852 and 178,236

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Solution

The third proportional to 84,852 and 178,236 is: 374,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,852 : 178,236 = 178,236 : x
  2. Step 2: Convert to fraction form
    84,852/178,236 = 178,236/x
  3. Step 3: Cross multiply
    84,852x = 178,236 × 178,236
  4. Step 4: Simplify right side
    84,852x = 31,768,071,696
  5. Step 5: Solve for x
    x = 31,768,071,696/84,852
  6. Step 6: Final answer
    x = 374,393.91

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.