Finding the Third Proportional to 7,216,628 and 15,703,707
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Solution
The third proportional to 7,216,628 and 15,703,707 is: 34,171,972.50
Step by Step Solution
- Step 1: Write the proportion equation
7,216,628 : 15,703,707 = 15,703,707 : x - Step 2: Convert to fraction form
7,216,628/15,703,707 = 15,703,707/x - Step 3: Cross multiply
7,216,628x = 15,703,707 × 15,703,707 - Step 4: Simplify right side
7,216,628x = 246,606,413,541,849 - Step 5: Solve for x
x = 246,606,413,541,849/7,216,628 - Step 6: Final answer
x = 34,171,972.50
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.