Finding the Third Proportional to 312,036.75 and 638,862.75
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Solution
The third proportional to 312,036.75 and 638,862.75 is: 1,308,004.95
Step by Step Solution
- Step 1: Write the proportion equation
312,036.75 : 638,862.75 = 638,862.75 : x - Step 2: Convert to fraction form
312,036.75/638,862.75 = 638,862.75/x - Step 3: Cross multiply
312,036.75x = 638,862.75 × 638,862.75 - Step 4: Simplify right side
312,036.75x = 408,145,613,337.56 - Step 5: Solve for x
x = 408,145,613,337.56/312,036.75 - Step 6: Final answer
x = 1,308,004.95
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.