Finding the Third Proportional to 75,579.75 and 112,974.75
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Solution
The third proportional to 75,579.75 and 112,974.75 is: 168,871.88
Step by Step Solution
- Step 1: Write the proportion equation
75,579.75 : 112,974.75 = 112,974.75 : x - Step 2: Convert to fraction form
75,579.75/112,974.75 = 112,974.75/x - Step 3: Cross multiply
75,579.75x = 112,974.75 × 112,974.75 - Step 4: Simplify right side
75,579.75x = 12,763,294,137.56 - Step 5: Solve for x
x = 12,763,294,137.56/75,579.75 - Step 6: Final answer
x = 168,871.88
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.