Finding the Third Proportional to 643,857.75 and 874,444.50
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Solution
The third proportional to 643,857.75 and 874,444.50 is: 1,187,611.99
Step by Step Solution
- Step 1: Write the proportion equation
643,857.75 : 874,444.50 = 874,444.50 : x - Step 2: Convert to fraction form
643,857.75/874,444.50 = 874,444.50/x - Step 3: Cross multiply
643,857.75x = 874,444.50 × 874,444.50 - Step 4: Simplify right side
643,857.75x = 764,653,183,580.25 - Step 5: Solve for x
x = 764,653,183,580.25/643,857.75 - Step 6: Final answer
x = 1,187,611.99
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.