Finding the Third Proportional to 77,924.25 and 170,428.50
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Solution
The third proportional to 77,924.25 and 170,428.50 is: 372,744.99
Step by Step Solution
- Step 1: Write the proportion equation
77,924.25 : 170,428.50 = 170,428.50 : x - Step 2: Convert to fraction form
77,924.25/170,428.50 = 170,428.50/x - Step 3: Cross multiply
77,924.25x = 170,428.50 × 170,428.50 - Step 4: Simplify right side
77,924.25x = 29,045,873,612.25 - Step 5: Solve for x
x = 29,045,873,612.25/77,924.25 - Step 6: Final answer
x = 372,744.99
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.