Finding the Third Proportional to 7,948.13 and 12,408.19
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Solution
The third proportional to 7,948.13 and 12,408.19 is: 19,371.00
Step by Step Solution
- Step 1: Write the proportion equation
7,948.13 : 12,408.19 = 12,408.19 : x - Step 2: Convert to fraction form
7,948.13/12,408.19 = 12,408.19/x - Step 3: Cross multiply
7,948.13x = 12,408.19 × 12,408.19 - Step 4: Simplify right side
7,948.13x = 153,963,117.04 - Step 5: Solve for x
x = 153,963,117.04/7,948.13 - Step 6: Final answer
x = 19,371.00
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.