Finding the Third Proportional to 306,210.75 and 459,621.75
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Solution
The third proportional to 306,210.75 and 459,621.75 is: 689,891.37
Step by Step Solution
- Step 1: Write the proportion equation
306,210.75 : 459,621.75 = 459,621.75 : x - Step 2: Convert to fraction form
306,210.75/459,621.75 = 459,621.75/x - Step 3: Cross multiply
306,210.75x = 459,621.75 × 459,621.75 - Step 4: Simplify right side
306,210.75x = 211,252,153,073.06 - Step 5: Solve for x
x = 211,252,153,073.06/306,210.75 - Step 6: Final answer
x = 689,891.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.