Finding the Third Proportional to 312,918.19 and 448,051.50
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Solution
The third proportional to 312,918.19 and 448,051.50 is: 641,541.96
Step by Step Solution
- Step 1: Write the proportion equation
312,918.19 : 448,051.50 = 448,051.50 : x - Step 2: Convert to fraction form
312,918.19/448,051.50 = 448,051.50/x - Step 3: Cross multiply
312,918.19x = 448,051.50 × 448,051.50 - Step 4: Simplify right side
312,918.19x = 200,750,146,652.25 - Step 5: Solve for x
x = 200,750,146,652.25/312,918.19 - Step 6: Final answer
x = 641,541.96
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.