Finding the Third Proportional to 8,987.20 and 18,692.02
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Solution
The third proportional to 8,987.20 and 18,692.02 is: 38,876.55
Step by Step Solution
- Step 1: Write the proportion equation
8,987.20 : 18,692.02 = 18,692.02 : x - Step 2: Convert to fraction form
8,987.20/18,692.02 = 18,692.02/x - Step 3: Cross multiply
8,987.20x = 18,692.02 × 18,692.02 - Step 4: Simplify right side
8,987.20x = 349,391,448.13 - Step 5: Solve for x
x = 349,391,448.13/8,987.20 - Step 6: Final answer
x = 38,876.55
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.