Finding the Third Proportional to 7,381.13 and 11,909.53
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Solution
The third proportional to 7,381.13 and 11,909.53 is: 19,216.17
Step by Step Solution
- Step 1: Write the proportion equation
7,381.13 : 11,909.53 = 11,909.53 : x - Step 2: Convert to fraction form
7,381.13/11,909.53 = 11,909.53/x - Step 3: Cross multiply
7,381.13x = 11,909.53 × 11,909.53 - Step 4: Simplify right side
7,381.13x = 141,836,934.59 - Step 5: Solve for x
x = 141,836,934.59/7,381.13 - Step 6: Final answer
x = 19,216.17
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.