Finding the Third Proportional to 7,345.13 and 15,972.19
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Solution
The third proportional to 7,345.13 and 15,972.19 is: 34,731.99
Step by Step Solution
- Step 1: Write the proportion equation
7,345.13 : 15,972.19 = 15,972.19 : x - Step 2: Convert to fraction form
7,345.13/15,972.19 = 15,972.19/x - Step 3: Cross multiply
7,345.13x = 15,972.19 × 15,972.19 - Step 4: Simplify right side
7,345.13x = 255,110,773.54 - Step 5: Solve for x
x = 255,110,773.54/7,345.13 - Step 6: Final answer
x = 34,731.99
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.