Finding the Third Proportional to 1,708.75 and 2,681.75
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Solution
The third proportional to 1,708.75 and 2,681.75 is: 4,208.80
Step by Step Solution
- Step 1: Write the proportion equation
1,708.75 : 2,681.75 = 2,681.75 : x - Step 2: Convert to fraction form
1,708.75/2,681.75 = 2,681.75/x - Step 3: Cross multiply
1,708.75x = 2,681.75 × 2,681.75 - Step 4: Simplify right side
1,708.75x = 7,191,783.06 - Step 5: Solve for x
x = 7,191,783.06/1,708.75 - Step 6: Final answer
x = 4,208.80
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.