Finding the Third Proportional to 215,291.25 and 316,708.31
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Solution
The third proportional to 215,291.25 and 316,708.31 is: 465,899.82
Step by Step Solution
- Step 1: Write the proportion equation
215,291.25 : 316,708.31 = 316,708.31 : x - Step 2: Convert to fraction form
215,291.25/316,708.31 = 316,708.31/x - Step 3: Cross multiply
215,291.25x = 316,708.31 × 316,708.31 - Step 4: Simplify right side
215,291.25x = 100,304,155,206.60 - Step 5: Solve for x
x = 100,304,155,206.60/215,291.25 - Step 6: Final answer
x = 465,899.82
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.