Finding the Third Proportional to 286,709.25 and 455,487.75
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Solution
The third proportional to 286,709.25 and 455,487.75 is: 723,621.89
Step by Step Solution
- Step 1: Write the proportion equation
286,709.25 : 455,487.75 = 455,487.75 : x - Step 2: Convert to fraction form
286,709.25/455,487.75 = 455,487.75/x - Step 3: Cross multiply
286,709.25x = 455,487.75 × 455,487.75 - Step 4: Simplify right side
286,709.25x = 207,469,090,400.06 - Step 5: Solve for x
x = 207,469,090,400.06/286,709.25 - Step 6: Final answer
x = 723,621.89
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.