Finding the Third Proportional to 42,997.50 and 61,932.50
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Solution
The third proportional to 42,997.50 and 61,932.50 is: 89,205.99
Step by Step Solution
- Step 1: Write the proportion equation
42,997.50 : 61,932.50 = 61,932.50 : x - Step 2: Convert to fraction form
42,997.50/61,932.50 = 61,932.50/x - Step 3: Cross multiply
42,997.50x = 61,932.50 × 61,932.50 - Step 4: Simplify right side
42,997.50x = 3,835,634,556.25 - Step 5: Solve for x
x = 3,835,634,556.25/42,997.50 - Step 6: Final answer
x = 89,205.99
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.