Finding the Third Proportional to 39,880.75 and 87,005.75
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Solution
The third proportional to 39,880.75 and 87,005.75 is: 189,815.90
Step by Step Solution
- Step 1: Write the proportion equation
39,880.75 : 87,005.75 = 87,005.75 : x - Step 2: Convert to fraction form
39,880.75/87,005.75 = 87,005.75/x - Step 3: Cross multiply
39,880.75x = 87,005.75 × 87,005.75 - Step 4: Simplify right side
39,880.75x = 7,570,000,533.06 - Step 5: Solve for x
x = 7,570,000,533.06/39,880.75 - Step 6: Final answer
x = 189,815.90
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.