Finding the Third Proportional to 681 and 1,746.50
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Solution
The third proportional to 681 and 1,746.50 is: 4,479.09
Step by Step Solution
- Step 1: Write the proportion equation
681 : 1,746.50 = 1,746.50 : x - Step 2: Convert to fraction form
681/1,746.50 = 1,746.50/x - Step 3: Cross multiply
681x = 1,746.50 × 1,746.50 - Step 4: Simplify right side
681x = 3,050,262.25 - Step 5: Solve for x
x = 3,050,262.25/681 - Step 6: Final answer
x = 4,479.09
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Why These Related Problems?
These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.