Finding the Third Proportional to 388,857 and 556,069.50
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Solution
The third proportional to 388,857 and 556,069.50 is: 795,185.09
Step by Step Solution
- Step 1: Write the proportion equation
388,857 : 556,069.50 = 556,069.50 : x - Step 2: Convert to fraction form
388,857/556,069.50 = 556,069.50/x - Step 3: Cross multiply
388,857x = 556,069.50 × 556,069.50 - Step 4: Simplify right side
388,857x = 309,213,288,830.25 - Step 5: Solve for x
x = 309,213,288,830.25/388,857 - Step 6: Final answer
x = 795,185.09
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.