Finding the Third Proportional to 19,290 and 42,184.50
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Solution
The third proportional to 19,290 and 42,184.50 is: 92,251.53
Step by Step Solution
- Step 1: Write the proportion equation
19,290 : 42,184.50 = 42,184.50 : x - Step 2: Convert to fraction form
19,290/42,184.50 = 42,184.50/x - Step 3: Cross multiply
19,290x = 42,184.50 × 42,184.50 - Step 4: Simplify right side
19,290x = 1,779,532,040.25 - Step 5: Solve for x
x = 1,779,532,040.25/19,290 - Step 6: Final answer
x = 92,251.53
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.