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Finding the Third Proportional to 62,956 and 128,828

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Solution

The third proportional to 62,956 and 128,828 is: 263,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,956 : 128,828 = 128,828 : x
  2. Step 2: Convert to fraction form
    62,956/128,828 = 128,828/x
  3. Step 3: Cross multiply
    62,956x = 128,828 × 128,828
  4. Step 4: Simplify right side
    62,956x = 16,596,653,584
  5. Step 5: Solve for x
    x = 16,596,653,584/62,956
  6. Step 6: Final answer
    x = 263,623.06

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.