Finding the Third Proportional to 684,927 and 1,090,815
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Solution
The third proportional to 684,927 and 1,090,815 is: 1,737,232.38
Step by Step Solution
- Step 1: Write the proportion equation
684,927 : 1,090,815 = 1,090,815 : x - Step 2: Convert to fraction form
684,927/1,090,815 = 1,090,815/x - Step 3: Cross multiply
684,927x = 1,090,815 × 1,090,815 - Step 4: Simplify right side
684,927x = 1,189,877,364,225 - Step 5: Solve for x
x = 1,189,877,364,225/684,927 - Step 6: Final answer
x = 1,737,232.38
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.