Finding the Third Proportional to 478,378.50 and 740,247.75
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Solution
The third proportional to 478,378.50 and 740,247.75 is: 1,145,466.89
Step by Step Solution
- Step 1: Write the proportion equation
478,378.50 : 740,247.75 = 740,247.75 : x - Step 2: Convert to fraction form
478,378.50/740,247.75 = 740,247.75/x - Step 3: Cross multiply
478,378.50x = 740,247.75 × 740,247.75 - Step 4: Simplify right side
478,378.50x = 547,966,731,380.06 - Step 5: Solve for x
x = 547,966,731,380.06/478,378.50 - Step 6: Final answer
x = 1,145,466.89
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.