Finding the Third Proportional to 77,688.75 and 117,582.75
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Solution
The third proportional to 77,688.75 and 117,582.75 is: 177,962.74
Step by Step Solution
- Step 1: Write the proportion equation
77,688.75 : 117,582.75 = 117,582.75 : x - Step 2: Convert to fraction form
77,688.75/117,582.75 = 117,582.75/x - Step 3: Cross multiply
77,688.75x = 117,582.75 × 117,582.75 - Step 4: Simplify right side
77,688.75x = 13,825,703,097.56 - Step 5: Solve for x
x = 13,825,703,097.56/77,688.75 - Step 6: Final answer
x = 177,962.74
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.