Finding the Third Proportional to 19,368 and 28,980
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Solution
The third proportional to 19,368 and 28,980 is: 43,362.27
Step by Step Solution
- Step 1: Write the proportion equation
19,368 : 28,980 = 28,980 : x - Step 2: Convert to fraction form
19,368/28,980 = 28,980/x - Step 3: Cross multiply
19,368x = 28,980 × 28,980 - Step 4: Simplify right side
19,368x = 839,840,400 - Step 5: Solve for x
x = 839,840,400/19,368 - Step 6: Final answer
x = 43,362.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.