Finding the Third Proportional to 267,688.50 and 392,595.75
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Solution
The third proportional to 267,688.50 and 392,595.75 is: 575,786.49
Step by Step Solution
- Step 1: Write the proportion equation
267,688.50 : 392,595.75 = 392,595.75 : x - Step 2: Convert to fraction form
267,688.50/392,595.75 = 392,595.75/x - Step 3: Cross multiply
267,688.50x = 392,595.75 × 392,595.75 - Step 4: Simplify right side
267,688.50x = 154,131,422,918.06 - Step 5: Solve for x
x = 154,131,422,918.06/267,688.50 - Step 6: Final answer
x = 575,786.49
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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.