Finding the Third Proportional to 19,388 and 40,216
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Solution
The third proportional to 19,388 and 40,216 is: 83,418.95
Step by Step Solution
- Step 1: Write the proportion equation
19,388 : 40,216 = 40,216 : x - Step 2: Convert to fraction form
19,388/40,216 = 40,216/x - Step 3: Cross multiply
19,388x = 40,216 × 40,216 - Step 4: Simplify right side
19,388x = 1,617,326,656 - Step 5: Solve for x
x = 1,617,326,656/19,388 - Step 6: Final answer
x = 83,418.95
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.