Finding the Third Proportional to 778,803.75 and 1,690,467.75
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Solution
The third proportional to 778,803.75 and 1,690,467.75 is: 3,669,321.33
Step by Step Solution
- Step 1: Write the proportion equation
778,803.75 : 1,690,467.75 = 1,690,467.75 : x - Step 2: Convert to fraction form
778,803.75/1,690,467.75 = 1,690,467.75/x - Step 3: Cross multiply
778,803.75x = 1,690,467.75 × 1,690,467.75 - Step 4: Simplify right side
778,803.75x = 2,857,681,213,790.06 - Step 5: Solve for x
x = 2,857,681,213,790.06/778,803.75 - Step 6: Final answer
x = 3,669,321.33
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.