Finding the Third Proportional to 426,912.75 and 643,173.75
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Solution
The third proportional to 426,912.75 and 643,173.75 is: 968,985.99
Step by Step Solution
- Step 1: Write the proportion equation
426,912.75 : 643,173.75 = 643,173.75 : x - Step 2: Convert to fraction form
426,912.75/643,173.75 = 643,173.75/x - Step 3: Cross multiply
426,912.75x = 643,173.75 × 643,173.75 - Step 4: Simplify right side
426,912.75x = 413,672,472,689.06 - Step 5: Solve for x
x = 413,672,472,689.06/426,912.75 - Step 6: Final answer
x = 968,985.99
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.