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Finding the Third Proportional to 55,562 and 86,056

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Solution

The third proportional to 55,562 and 86,056 is: 133,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562 : 86,056 = 86,056 : x
  2. Step 2: Convert to fraction form
    55,562/86,056 = 86,056/x
  3. Step 3: Cross multiply
    55,562x = 86,056 × 86,056
  4. Step 4: Simplify right side
    55,562x = 7,405,635,136
  5. Step 5: Solve for x
    x = 7,405,635,136/55,562
  6. Step 6: Final answer
    x = 133,285.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.