Finding the Third Proportional to 145,588.21 and 311,416.84
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Solution
The third proportional to 145,588.21 and 311,416.84 is: 666,128.47
Step by Step Solution
- Step 1: Write the proportion equation
145,588.21 : 311,416.84 = 311,416.84 : x - Step 2: Convert to fraction form
145,588.21/311,416.84 = 311,416.84/x - Step 3: Cross multiply
145,588.21x = 311,416.84 × 311,416.84 - Step 4: Simplify right side
145,588.21x = 96,980,448,138.27 - Step 5: Solve for x
x = 96,980,448,138.27/145,588.21 - Step 6: Final answer
x = 666,128.47
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.