Finding the Third Proportional to 611.30 and 1,258.03
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Solution
The third proportional to 611.30 and 1,258.03 is: 2,588.99
Step by Step Solution
- Step 1: Write the proportion equation
611.30 : 1,258.03 = 1,258.03 : x - Step 2: Convert to fraction form
611.30/1,258.03 = 1,258.03/x - Step 3: Cross multiply
611.30x = 1,258.03 × 1,258.03 - Step 4: Simplify right side
611.30x = 1,582,642.63 - Step 5: Solve for x
x = 1,582,642.63/611.30 - Step 6: Final answer
x = 2,588.99
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These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.