Finding the Third Proportional to 19,080 and 40,981.50
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Solution
The third proportional to 19,080 and 40,981.50 is: 88,023.24
Step by Step Solution
- Step 1: Write the proportion equation
19,080 : 40,981.50 = 40,981.50 : x - Step 2: Convert to fraction form
19,080/40,981.50 = 40,981.50/x - Step 3: Cross multiply
19,080x = 40,981.50 × 40,981.50 - Step 4: Simplify right side
19,080x = 1,679,483,342.25 - Step 5: Solve for x
x = 1,679,483,342.25/19,080 - Step 6: Final answer
x = 88,023.24
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.