Finding the Third Proportional to 414,874.75 and 640,739.50
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Solution
The third proportional to 414,874.75 and 640,739.50 is: 989,568.80
Step by Step Solution
- Step 1: Write the proportion equation
414,874.75 : 640,739.50 = 640,739.50 : x - Step 2: Convert to fraction form
414,874.75/640,739.50 = 640,739.50/x - Step 3: Cross multiply
414,874.75x = 640,739.50 × 640,739.50 - Step 4: Simplify right side
414,874.75x = 410,547,106,860.25 - Step 5: Solve for x
x = 410,547,106,860.25/414,874.75 - Step 6: Final answer
x = 989,568.80
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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.