Finding the Third Proportional to 478,407.50 and 650,003
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Solution
The third proportional to 478,407.50 and 650,003 is: 883,146.48
Step by Step Solution
- Step 1: Write the proportion equation
478,407.50 : 650,003 = 650,003 : x - Step 2: Convert to fraction form
478,407.50/650,003 = 650,003/x - Step 3: Cross multiply
478,407.50x = 650,003 × 650,003 - Step 4: Simplify right side
478,407.50x = 422,503,900,009 - Step 5: Solve for x
x = 422,503,900,009/478,407.50 - Step 6: Final answer
x = 883,146.48
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.