Finding the Third Proportional to 815.06 and 1,779.47
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Solution
The third proportional to 815.06 and 1,779.47 is: 3,884.99
Step by Step Solution
- Step 1: Write the proportion equation
815.06 : 1,779.47 = 1,779.47 : x - Step 2: Convert to fraction form
815.06/1,779.47 = 1,779.47/x - Step 3: Cross multiply
815.06x = 1,779.47 × 1,779.47 - Step 4: Simplify right side
815.06x = 3,166,509.03 - Step 5: Solve for x
x = 3,166,509.03/815.06 - Step 6: Final answer
x = 3,884.99
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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.