Finding the Third Proportional to 306,209.25 and 459,619.31
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Solution
The third proportional to 306,209.25 and 459,619.31 is: 689,887.43
Step by Step Solution
- Step 1: Write the proportion equation
306,209.25 : 459,619.31 = 459,619.31 : x - Step 2: Convert to fraction form
306,209.25/459,619.31 = 459,619.31/x - Step 3: Cross multiply
306,209.25x = 459,619.31 × 459,619.31 - Step 4: Simplify right side
306,209.25x = 211,249,912,422.97 - Step 5: Solve for x
x = 211,249,912,422.97/306,209.25 - Step 6: Final answer
x = 689,887.43
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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.