Finding the Third Proportional to 17,818 and 38,671.50
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Solution
The third proportional to 17,818 and 38,671.50 is: 83,931.13
Step by Step Solution
- Step 1: Write the proportion equation
17,818 : 38,671.50 = 38,671.50 : x - Step 2: Convert to fraction form
17,818/38,671.50 = 38,671.50/x - Step 3: Cross multiply
17,818x = 38,671.50 × 38,671.50 - Step 4: Simplify right side
17,818x = 1,495,484,912.25 - Step 5: Solve for x
x = 1,495,484,912.25/17,818 - Step 6: Final answer
x = 83,931.13
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.