Finding the Third Proportional to 3,915.84 and 8,442.98
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Solution
The third proportional to 3,915.84 and 8,442.98 is: 18,203.99
Step by Step Solution
- Step 1: Write the proportion equation
3,915.84 : 8,442.98 = 8,442.98 : x - Step 2: Convert to fraction form
3,915.84/8,442.98 = 8,442.98/x - Step 3: Cross multiply
3,915.84x = 8,442.98 × 8,442.98 - Step 4: Simplify right side
3,915.84x = 71,283,985.16 - Step 5: Solve for x
x = 71,283,985.16/3,915.84 - Step 6: Final answer
x = 18,203.99
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.