Finding the Third Proportional to 30,259.50 and 48,138
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Solution
The third proportional to 30,259.50 and 48,138 is: 76,579.82
Step by Step Solution
- Step 1: Write the proportion equation
30,259.50 : 48,138 = 48,138 : x - Step 2: Convert to fraction form
30,259.50/48,138 = 48,138/x - Step 3: Cross multiply
30,259.50x = 48,138 × 48,138 - Step 4: Simplify right side
30,259.50x = 2,317,267,044 - Step 5: Solve for x
x = 2,317,267,044/30,259.50 - Step 6: Final answer
x = 76,579.82
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.