Finding the Third Proportional to 392,319.75 and 831,720.75
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Solution
The third proportional to 392,319.75 and 831,720.75 is: 1,763,254.10
Step by Step Solution
- Step 1: Write the proportion equation
392,319.75 : 831,720.75 = 831,720.75 : x - Step 2: Convert to fraction form
392,319.75/831,720.75 = 831,720.75/x - Step 3: Cross multiply
392,319.75x = 831,720.75 × 831,720.75 - Step 4: Simplify right side
392,319.75x = 691,759,405,980.56 - Step 5: Solve for x
x = 691,759,405,980.56/392,319.75 - Step 6: Final answer
x = 1,763,254.10
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.