Finding the Third Proportional to 399,264 and 856,944
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Solution
The third proportional to 399,264 and 856,944 is: 1,839,266.80
Step by Step Solution
- Step 1: Write the proportion equation
399,264 : 856,944 = 856,944 : x - Step 2: Convert to fraction form
399,264/856,944 = 856,944/x - Step 3: Cross multiply
399,264x = 856,944 × 856,944 - Step 4: Simplify right side
399,264x = 734,353,019,136 - Step 5: Solve for x
x = 734,353,019,136/399,264 - Step 6: Final answer
x = 1,839,266.80
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.