Finding the Third Proportional to 64,740.75 and 141,489.75
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Solution
The third proportional to 64,740.75 and 141,489.75 is: 309,223.32
Step by Step Solution
- Step 1: Write the proportion equation
64,740.75 : 141,489.75 = 141,489.75 : x - Step 2: Convert to fraction form
64,740.75/141,489.75 = 141,489.75/x - Step 3: Cross multiply
64,740.75x = 141,489.75 × 141,489.75 - Step 4: Simplify right side
64,740.75x = 20,019,349,355.06 - Step 5: Solve for x
x = 20,019,349,355.06/64,740.75 - Step 6: Final answer
x = 309,223.32
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.