Finding the Third Proportional to 320,496.12 and 683,890.28
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Solution
The third proportional to 320,496.12 and 683,890.28 is: 1,459,318.50
Step by Step Solution
- Step 1: Write the proportion equation
320,496.12 : 683,890.28 = 683,890.28 : x - Step 2: Convert to fraction form
320,496.12/683,890.28 = 683,890.28/x - Step 3: Cross multiply
320,496.12x = 683,890.28 × 683,890.28 - Step 4: Simplify right side
320,496.12x = 467,705,911,445.31 - Step 5: Solve for x
x = 467,705,911,445.31/320,496.12 - Step 6: Final answer
x = 1,459,318.50
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.