Finding the Third Proportional to 286,707.75 and 455,485.50
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Solution
The third proportional to 286,707.75 and 455,485.50 is: 723,618.53
Step by Step Solution
- Step 1: Write the proportion equation
286,707.75 : 455,485.50 = 455,485.50 : x - Step 2: Convert to fraction form
286,707.75/455,485.50 = 455,485.50/x - Step 3: Cross multiply
286,707.75x = 455,485.50 × 455,485.50 - Step 4: Simplify right side
286,707.75x = 207,467,040,710.25 - Step 5: Solve for x
x = 207,467,040,710.25/286,707.75 - Step 6: Final answer
x = 723,618.53
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.