Finding the Third Proportional to 5,379.75 and 7,855.63
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Solution
The third proportional to 5,379.75 and 7,855.63 is: 11,470.95
Step by Step Solution
- Step 1: Write the proportion equation
5,379.75 : 7,855.63 = 7,855.63 : x - Step 2: Convert to fraction form
5,379.75/7,855.63 = 7,855.63/x - Step 3: Cross multiply
5,379.75x = 7,855.63 × 7,855.63 - Step 4: Simplify right side
5,379.75x = 61,710,844.14 - Step 5: Solve for x
x = 61,710,844.14/5,379.75 - Step 6: Final answer
x = 11,470.95
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.