Finding the Third Proportional to 13,281.75 and 20,391.75
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Solution
The third proportional to 13,281.75 and 20,391.75 is: 31,307.88
Step by Step Solution
- Step 1: Write the proportion equation
13,281.75 : 20,391.75 = 20,391.75 : x - Step 2: Convert to fraction form
13,281.75/20,391.75 = 20,391.75/x - Step 3: Cross multiply
13,281.75x = 20,391.75 × 20,391.75 - Step 4: Simplify right side
13,281.75x = 415,823,468.06 - Step 5: Solve for x
x = 415,823,468.06/13,281.75 - Step 6: Final answer
x = 31,307.88
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.