Finding the Third Proportional to 515,679.75 and 786,867.75
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Solution
The third proportional to 515,679.75 and 786,867.75 is: 1,200,669.32
Step by Step Solution
- Step 1: Write the proportion equation
515,679.75 : 786,867.75 = 786,867.75 : x - Step 2: Convert to fraction form
515,679.75/786,867.75 = 786,867.75/x - Step 3: Cross multiply
515,679.75x = 786,867.75 × 786,867.75 - Step 4: Simplify right side
515,679.75x = 619,160,855,990.06 - Step 5: Solve for x
x = 619,160,855,990.06/515,679.75 - Step 6: Final answer
x = 1,200,669.32
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.