Finding the Third Proportional to 207,640.13 and 318,314.81
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Solution
The third proportional to 207,640.13 and 318,314.81 is: 487,980.44
Step by Step Solution
- Step 1: Write the proportion equation
207,640.13 : 318,314.81 = 318,314.81 : x - Step 2: Convert to fraction form
207,640.13/318,314.81 = 318,314.81/x - Step 3: Cross multiply
207,640.13x = 318,314.81 × 318,314.81 - Step 4: Simplify right side
207,640.13x = 101,324,319,856.91 - Step 5: Solve for x
x = 101,324,319,856.91/207,640.13 - Step 6: Final answer
x = 487,980.44
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.