Finding the Third Proportional to 37,720.75 and 78,539.75
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Solution
The third proportional to 37,720.75 and 78,539.75 is: 163,530.48
Step by Step Solution
- Step 1: Write the proportion equation
37,720.75 : 78,539.75 = 78,539.75 : x - Step 2: Convert to fraction form
37,720.75/78,539.75 = 78,539.75/x - Step 3: Cross multiply
37,720.75x = 78,539.75 × 78,539.75 - Step 4: Simplify right side
37,720.75x = 6,168,492,330.06 - Step 5: Solve for x
x = 6,168,492,330.06/37,720.75 - Step 6: Final answer
x = 163,530.48
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.