Finding the Third Proportional to 203,189.63 and 316,418.06
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Solution
The third proportional to 203,189.63 and 316,418.06 is: 492,743.61
Step by Step Solution
- Step 1: Write the proportion equation
203,189.63 : 316,418.06 = 316,418.06 : x - Step 2: Convert to fraction form
203,189.63/316,418.06 = 316,418.06/x - Step 3: Cross multiply
203,189.63x = 316,418.06 × 316,418.06 - Step 4: Simplify right side
203,189.63x = 100,120,390,276.25 - Step 5: Solve for x
x = 100,120,390,276.25/203,189.63 - Step 6: Final answer
x = 492,743.61
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.