Finding the Third Proportional to 550 and 1,430
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Solution
The third proportional to 550 and 1,430 is: 3,718
Step by Step Solution
- Step 1: Write the proportion equation
550 : 1,430 = 1,430 : x - Step 2: Convert to fraction form
550/1,430 = 1,430/x - Step 3: Cross multiply
550x = 1,430 × 1,430 - Step 4: Simplify right side
550x = 2,044,900 - Step 5: Solve for x
x = 2,044,900/550 - Step 6: Final answer
x = 3,718
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These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.