Finding the Third Proportional to 312,034.50 and 638,853.75
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Solution
The third proportional to 312,034.50 and 638,853.75 is: 1,307,977.53
Step by Step Solution
- Step 1: Write the proportion equation
312,034.50 : 638,853.75 = 638,853.75 : x - Step 2: Convert to fraction form
312,034.50/638,853.75 = 638,853.75/x - Step 3: Cross multiply
312,034.50x = 638,853.75 × 638,853.75 - Step 4: Simplify right side
312,034.50x = 408,134,113,889.06 - Step 5: Solve for x
x = 408,134,113,889.06/312,034.50 - Step 6: Final answer
x = 1,307,977.53
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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.