Finding the Third Proportional to 135,699.75 and 289,433.81
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Solution
The third proportional to 135,699.75 and 289,433.81 is: 617,332.99
Step by Step Solution
- Step 1: Write the proportion equation
135,699.75 : 289,433.81 = 289,433.81 : x - Step 2: Convert to fraction form
135,699.75/289,433.81 = 289,433.81/x - Step 3: Cross multiply
135,699.75x = 289,433.81 × 289,433.81 - Step 4: Simplify right side
135,699.75x = 83,771,931,818.29 - Step 5: Solve for x
x = 83,771,931,818.29/135,699.75 - Step 6: Final answer
x = 617,332.99
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.