Finding the Third Proportional to 643,866.75 and 874,455.75
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Solution
The third proportional to 643,866.75 and 874,455.75 is: 1,187,625.95
Step by Step Solution
- Step 1: Write the proportion equation
643,866.75 : 874,455.75 = 874,455.75 : x - Step 2: Convert to fraction form
643,866.75/874,455.75 = 874,455.75/x - Step 3: Cross multiply
643,866.75x = 874,455.75 × 874,455.75 - Step 4: Simplify right side
643,866.75x = 764,672,858,708.06 - Step 5: Solve for x
x = 764,672,858,708.06/643,866.75 - Step 6: Final answer
x = 1,187,625.95
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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.