Finding the Third Proportional to 310,000.88 and 438,771.75
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Solution
The third proportional to 310,000.88 and 438,771.75 is: 621,032.60
Step by Step Solution
- Step 1: Write the proportion equation
310,000.88 : 438,771.75 = 438,771.75 : x - Step 2: Convert to fraction form
310,000.88/438,771.75 = 438,771.75/x - Step 3: Cross multiply
310,000.88x = 438,771.75 × 438,771.75 - Step 4: Simplify right side
310,000.88x = 192,520,648,598.06 - Step 5: Solve for x
x = 192,520,648,598.06/310,000.88 - Step 6: Final answer
x = 621,032.60
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.