Finding the Third Proportional to 357,300 and 485,230
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Solution
The third proportional to 357,300 and 485,230 is: 658,964.88
Step by Step Solution
- Step 1: Write the proportion equation
357,300 : 485,230 = 485,230 : x - Step 2: Convert to fraction form
357,300/485,230 = 485,230/x - Step 3: Cross multiply
357,300x = 485,230 × 485,230 - Step 4: Simplify right side
357,300x = 235,448,152,900 - Step 5: Solve for x
x = 235,448,152,900/357,300 - Step 6: Final answer
x = 658,964.88
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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.