Finding the Third Proportional to 865.13 and 1,357.31
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Solution
The third proportional to 865.13 and 1,357.31 is: 2,129.52
Step by Step Solution
- Step 1: Write the proportion equation
865.13 : 1,357.31 = 1,357.31 : x - Step 2: Convert to fraction form
865.13/1,357.31 = 1,357.31/x - Step 3: Cross multiply
865.13x = 1,357.31 × 1,357.31 - Step 4: Simplify right side
865.13x = 1,842,297.22 - Step 5: Solve for x
x = 1,842,297.22/865.13 - Step 6: Final answer
x = 2,129.52
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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.