Finding the Third Proportional to 251,919.75 and 390,048.75
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Solution
The third proportional to 251,919.75 and 390,048.75 is: 603,914.65
Step by Step Solution
- Step 1: Write the proportion equation
251,919.75 : 390,048.75 = 390,048.75 : x - Step 2: Convert to fraction form
251,919.75/390,048.75 = 390,048.75/x - Step 3: Cross multiply
251,919.75x = 390,048.75 × 390,048.75 - Step 4: Simplify right side
251,919.75x = 152,138,027,376.56 - Step 5: Solve for x
x = 152,138,027,376.56/251,919.75 - Step 6: Final answer
x = 603,914.65
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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.