Finding the Third Proportional to 570 and 855.50
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Solution
The third proportional to 570 and 855.50 is: 1,284.00
Step by Step Solution
- Step 1: Write the proportion equation
570 : 855.50 = 855.50 : x - Step 2: Convert to fraction form
570/855.50 = 855.50/x - Step 3: Cross multiply
570x = 855.50 × 855.50 - Step 4: Simplify right side
570x = 731,880.25 - Step 5: Solve for x
x = 731,880.25/570 - Step 6: Final answer
x = 1,284.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.