Finding the Third Proportional to 812,391.75 and 1,135,719
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Solution
The third proportional to 812,391.75 and 1,135,719 is: 1,587,728.64
Step by Step Solution
- Step 1: Write the proportion equation
812,391.75 : 1,135,719 = 1,135,719 : x - Step 2: Convert to fraction form
812,391.75/1,135,719 = 1,135,719/x - Step 3: Cross multiply
812,391.75x = 1,135,719 × 1,135,719 - Step 4: Simplify right side
812,391.75x = 1,289,857,646,961 - Step 5: Solve for x
x = 1,289,857,646,961/812,391.75 - Step 6: Final answer
x = 1,587,728.64
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.