Finding the Third Proportional to 129,298.75 and 201,806.19
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Solution
The third proportional to 129,298.75 and 201,806.19 is: 314,973.94
Step by Step Solution
- Step 1: Write the proportion equation
129,298.75 : 201,806.19 = 201,806.19 : x - Step 2: Convert to fraction form
129,298.75/201,806.19 = 201,806.19/x - Step 3: Cross multiply
129,298.75x = 201,806.19 × 201,806.19 - Step 4: Simplify right side
129,298.75x = 40,725,737,313.29 - Step 5: Solve for x
x = 40,725,737,313.29/129,298.75 - Step 6: Final answer
x = 314,973.94
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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.