Finding the Third Proportional to 207,438.19 and 313,065.28
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Solution
The third proportional to 207,438.19 and 313,065.28 is: 472,477.47
Step by Step Solution
- Step 1: Write the proportion equation
207,438.19 : 313,065.28 = 313,065.28 : x - Step 2: Convert to fraction form
207,438.19/313,065.28 = 313,065.28/x - Step 3: Cross multiply
207,438.19x = 313,065.28 × 313,065.28 - Step 4: Simplify right side
207,438.19x = 98,009,870,324.14 - Step 5: Solve for x
x = 98,009,870,324.14/207,438.19 - Step 6: Final answer
x = 472,477.47
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.