Finding the Third Proportional to 10,909.75 and 16,681.75
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Solution
The third proportional to 10,909.75 and 16,681.75 is: 25,507.53
Step by Step Solution
- Step 1: Write the proportion equation
10,909.75 : 16,681.75 = 16,681.75 : x - Step 2: Convert to fraction form
10,909.75/16,681.75 = 16,681.75/x - Step 3: Cross multiply
10,909.75x = 16,681.75 × 16,681.75 - Step 4: Simplify right side
10,909.75x = 278,280,783.06 - Step 5: Solve for x
x = 278,280,783.06/10,909.75 - Step 6: Final answer
x = 25,507.53
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.