Finding the Third Proportional to 1,780 and 3,516
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Solution
The third proportional to 1,780 and 3,516 is: 6,945.09
Step by Step Solution
- Step 1: Write the proportion equation
1,780 : 3,516 = 3,516 : x - Step 2: Convert to fraction form
1,780/3,516 = 3,516/x - Step 3: Cross multiply
1,780x = 3,516 × 3,516 - Step 4: Simplify right side
1,780x = 12,362,256 - Step 5: Solve for x
x = 12,362,256/1,780 - Step 6: Final answer
x = 6,945.09
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These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.