Finding the Third Proportional to 311,967.38 and 479,219.63
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Solution
The third proportional to 311,967.38 and 479,219.63 is: 736,139.31
Step by Step Solution
- Step 1: Write the proportion equation
311,967.38 : 479,219.63 = 479,219.63 : x - Step 2: Convert to fraction form
311,967.38/479,219.63 = 479,219.63/x - Step 3: Cross multiply
311,967.38x = 479,219.63 × 479,219.63 - Step 4: Simplify right side
311,967.38x = 229,651,448,985.14 - Step 5: Solve for x
x = 229,651,448,985.14/311,967.38 - Step 6: Final answer
x = 736,139.31
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.