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Finding the Third Proportional to 61,846 and 137,907

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Solution

The third proportional to 61,846 and 137,907 is: 307,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,846 : 137,907 = 137,907 : x
  2. Step 2: Convert to fraction form
    61,846/137,907 = 137,907/x
  3. Step 3: Cross multiply
    61,846x = 137,907 × 137,907
  4. Step 4: Simplify right side
    61,846x = 19,018,340,649
  5. Step 5: Solve for x
    x = 19,018,340,649/61,846
  6. Step 6: Final answer
    x = 307,511.25

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.