Finding the Third Proportional to 1,090 and 2,370
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Solution
The third proportional to 1,090 and 2,370 is: 5,153.12
Step by Step Solution
- Step 1: Write the proportion equation
1,090 : 2,370 = 2,370 : x - Step 2: Convert to fraction form
1,090/2,370 = 2,370/x - Step 3: Cross multiply
1,090x = 2,370 × 2,370 - Step 4: Simplify right side
1,090x = 5,616,900 - Step 5: Solve for x
x = 5,616,900/1,090 - Step 6: Final answer
x = 5,153.12
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.