Finding the Third Proportional to 77,718.75 and 91,911.75
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Solution
The third proportional to 77,718.75 and 91,911.75 is: 108,696.68
Step by Step Solution
- Step 1: Write the proportion equation
77,718.75 : 91,911.75 = 91,911.75 : x - Step 2: Convert to fraction form
77,718.75/91,911.75 = 91,911.75/x - Step 3: Cross multiply
77,718.75x = 91,911.75 × 91,911.75 - Step 4: Simplify right side
77,718.75x = 8,447,769,788.06 - Step 5: Solve for x
x = 8,447,769,788.06/77,718.75 - Step 6: Final answer
x = 108,696.68
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.