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Finding the Third Proportional to 84,611 and 112,313.25

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Solution

The third proportional to 84,611 and 112,313.25 is: 149,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,611 : 112,313.25 = 112,313.25 : x
  2. Step 2: Convert to fraction form
    84,611/112,313.25 = 112,313.25/x
  3. Step 3: Cross multiply
    84,611x = 112,313.25 × 112,313.25
  4. Step 4: Simplify right side
    84,611x = 12,614,266,125.56
  5. Step 5: Solve for x
    x = 12,614,266,125.56/84,611
  6. Step 6: Final answer
    x = 149,085.42

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.