Finding the Third Proportional to 7,907.63 and 12,381.75
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Solution
The third proportional to 7,907.63 and 12,381.75 is: 19,387.33
Step by Step Solution
- Step 1: Write the proportion equation
7,907.63 : 12,381.75 = 12,381.75 : x - Step 2: Convert to fraction form
7,907.63/12,381.75 = 12,381.75/x - Step 3: Cross multiply
7,907.63x = 12,381.75 × 12,381.75 - Step 4: Simplify right side
7,907.63x = 153,307,733.06 - Step 5: Solve for x
x = 153,307,733.06/7,907.63 - Step 6: Final answer
x = 19,387.33
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.