Finding the Third Proportional to 619.50 and 1,347
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Solution
The third proportional to 619.50 and 1,347 is: 2,928.83
Step by Step Solution
- Step 1: Write the proportion equation
619.50 : 1,347 = 1,347 : x - Step 2: Convert to fraction form
619.50/1,347 = 1,347/x - Step 3: Cross multiply
619.50x = 1,347 × 1,347 - Step 4: Simplify right side
619.50x = 1,814,409 - Step 5: Solve for x
x = 1,814,409/619.50 - Step 6: Final answer
x = 2,928.83
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.