Finding the Third Proportional to 77,772.75 and 163,845.75
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Solution
The third proportional to 77,772.75 and 163,845.75 is: 345,177.84
Step by Step Solution
- Step 1: Write the proportion equation
77,772.75 : 163,845.75 = 163,845.75 : x - Step 2: Convert to fraction form
77,772.75/163,845.75 = 163,845.75/x - Step 3: Cross multiply
77,772.75x = 163,845.75 × 163,845.75 - Step 4: Simplify right side
77,772.75x = 26,845,429,793.06 - Step 5: Solve for x
x = 26,845,429,793.06/77,772.75 - Step 6: Final answer
x = 345,177.84
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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.