Finding the Third Proportional to 319,629.38 and 689,073.75
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Solution
The third proportional to 319,629.38 and 689,073.75 is: 1,485,541.29
Step by Step Solution
- Step 1: Write the proportion equation
319,629.38 : 689,073.75 = 689,073.75 : x - Step 2: Convert to fraction form
319,629.38/689,073.75 = 689,073.75/x - Step 3: Cross multiply
319,629.38x = 689,073.75 × 689,073.75 - Step 4: Simplify right side
319,629.38x = 474,822,632,939.06 - Step 5: Solve for x
x = 474,822,632,939.06/319,629.38 - Step 6: Final answer
x = 1,485,541.29
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.