Finding the Third Proportional to 15,129.75 and 19,641.75
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Solution
The third proportional to 15,129.75 and 19,641.75 is: 25,499.32
Step by Step Solution
- Step 1: Write the proportion equation
15,129.75 : 19,641.75 = 19,641.75 : x - Step 2: Convert to fraction form
15,129.75/19,641.75 = 19,641.75/x - Step 3: Cross multiply
15,129.75x = 19,641.75 × 19,641.75 - Step 4: Simplify right side
15,129.75x = 385,798,343.06 - Step 5: Solve for x
x = 385,798,343.06/15,129.75 - Step 6: Final answer
x = 25,499.32
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These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.