Finding the Third Proportional to 16,881.75 and 18,771.75
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Solution
The third proportional to 16,881.75 and 18,771.75 is: 20,873.35
Step by Step Solution
- Step 1: Write the proportion equation
16,881.75 : 18,771.75 = 18,771.75 : x - Step 2: Convert to fraction form
16,881.75/18,771.75 = 18,771.75/x - Step 3: Cross multiply
16,881.75x = 18,771.75 × 18,771.75 - Step 4: Simplify right side
16,881.75x = 352,378,598.06 - Step 5: Solve for x
x = 352,378,598.06/16,881.75 - Step 6: Final answer
x = 20,873.35
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These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.