Finding the Third Proportional to 19,491.75 and 21,489.75
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Solution
The third proportional to 19,491.75 and 21,489.75 is: 23,692.55
Step by Step Solution
- Step 1: Write the proportion equation
19,491.75 : 21,489.75 = 21,489.75 : x - Step 2: Convert to fraction form
19,491.75/21,489.75 = 21,489.75/x - Step 3: Cross multiply
19,491.75x = 21,489.75 × 21,489.75 - Step 4: Simplify right side
19,491.75x = 461,809,355.06 - Step 5: Solve for x
x = 461,809,355.06/19,491.75 - Step 6: Final answer
x = 23,692.55
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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.