Finding the Third Proportional to 415,644.75 and 669,367.13
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Solution
The third proportional to 415,644.75 and 669,367.13 is: 1,077,969.46
Step by Step Solution
- Step 1: Write the proportion equation
415,644.75 : 669,367.13 = 669,367.13 : x - Step 2: Convert to fraction form
415,644.75/669,367.13 = 669,367.13/x - Step 3: Cross multiply
415,644.75x = 669,367.13 × 669,367.13 - Step 4: Simplify right side
415,644.75x = 448,052,348,030.77 - Step 5: Solve for x
x = 448,052,348,030.77/415,644.75 - Step 6: Final answer
x = 1,077,969.46
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.