Finding the Third Proportional to 692.50 and 953
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Solution
The third proportional to 692.50 and 953 is: 1,311.49
Step by Step Solution
- Step 1: Write the proportion equation
692.50 : 953 = 953 : x - Step 2: Convert to fraction form
692.50/953 = 953/x - Step 3: Cross multiply
692.50x = 953 × 953 - Step 4: Simplify right side
692.50x = 908,209 - Step 5: Solve for x
x = 908,209/692.50 - Step 6: Final answer
x = 1,311.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.