Finding the Third Proportional to 292,279.50 and 438,459.75
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Solution
The third proportional to 292,279.50 and 438,459.75 is: 657,750.38
Step by Step Solution
- Step 1: Write the proportion equation
292,279.50 : 438,459.75 = 438,459.75 : x - Step 2: Convert to fraction form
292,279.50/438,459.75 = 438,459.75/x - Step 3: Cross multiply
292,279.50x = 438,459.75 × 438,459.75 - Step 4: Simplify right side
292,279.50x = 192,246,952,370.06 - Step 5: Solve for x
x = 192,246,952,370.06/292,279.50 - Step 6: Final answer
x = 657,750.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.