Finding the Third Proportional to 448,638.75 and 689,586.75
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Solution
The third proportional to 448,638.75 and 689,586.75 is: 1,059,939.40
Step by Step Solution
- Step 1: Write the proportion equation
448,638.75 : 689,586.75 = 689,586.75 : x - Step 2: Convert to fraction form
448,638.75/689,586.75 = 689,586.75/x - Step 3: Cross multiply
448,638.75x = 689,586.75 × 689,586.75 - Step 4: Simplify right side
448,638.75x = 475,529,885,775.56 - Step 5: Solve for x
x = 475,529,885,775.56/448,638.75 - Step 6: Final answer
x = 1,059,939.40
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.