Finding the Third Proportional to 357,207.75 and 485,128.13
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Solution
The third proportional to 357,207.75 and 485,128.13 is: 658,858.32
Step by Step Solution
- Step 1: Write the proportion equation
357,207.75 : 485,128.13 = 485,128.13 : x - Step 2: Convert to fraction form
357,207.75/485,128.13 = 485,128.13/x - Step 3: Cross multiply
357,207.75x = 485,128.13 × 485,128.13 - Step 4: Simplify right side
357,207.75x = 235,349,297,666.02 - Step 5: Solve for x
x = 235,349,297,666.02/357,207.75 - Step 6: Final answer
x = 658,858.32
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.