Finding the Third Proportional to 178,944.19 and 385,909.31
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Solution
The third proportional to 178,944.19 and 385,909.31 is: 832,248.31
Step by Step Solution
- Step 1: Write the proportion equation
178,944.19 : 385,909.31 = 385,909.31 : x - Step 2: Convert to fraction form
178,944.19/385,909.31 = 385,909.31/x - Step 3: Cross multiply
178,944.19x = 385,909.31 × 385,909.31 - Step 4: Simplify right side
178,944.19x = 148,925,997,474.22 - Step 5: Solve for x
x = 148,925,997,474.22/178,944.19 - Step 6: Final answer
x = 832,248.31
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.