Finding the Third Proportional to 17,671.50 and 38,430
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Solution
The third proportional to 17,671.50 and 38,430 is: 83,573.26
Step by Step Solution
- Step 1: Write the proportion equation
17,671.50 : 38,430 = 38,430 : x - Step 2: Convert to fraction form
17,671.50/38,430 = 38,430/x - Step 3: Cross multiply
17,671.50x = 38,430 × 38,430 - Step 4: Simplify right side
17,671.50x = 1,476,864,900 - Step 5: Solve for x
x = 1,476,864,900/17,671.50 - Step 6: Final answer
x = 83,573.26
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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.