Finding the Third Proportional to 378,611,516.25 and 581,593,645.13
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Solution
The third proportional to 378,611,516.25 and 581,593,645.13 is: 893,399,047.66
Step by Step Solution
- Step 1: Write the proportion equation
378,611,516.25 : 581,593,645.13 = 581,593,645.13 : x - Step 2: Convert to fraction form
378,611,516.25/581,593,645.13 = 581,593,645.13/x - Step 3: Cross multiply
378,611,516.25x = 581,593,645.13 × 581,593,645.13 - Step 4: Simplify right side
378,611,516.25x = 338,251,168,049,784,448 - Step 5: Solve for x
x = 338,251,168,049,784,448/378,611,516.25 - Step 6: Final answer
x = 893,399,047.66
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.