Finding the Third Proportional to 7,664,972 and 16,690,745
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Solution
The third proportional to 7,664,972 and 16,690,745 is: 36,344,681.84
Step by Step Solution
- Step 1: Write the proportion equation
7,664,972 : 16,690,745 = 16,690,745 : x - Step 2: Convert to fraction form
7,664,972/16,690,745 = 16,690,745/x - Step 3: Cross multiply
7,664,972x = 16,690,745 × 16,690,745 - Step 4: Simplify right side
7,664,972x = 278,580,968,655,025 - Step 5: Solve for x
x = 278,580,968,655,025/7,664,972 - Step 6: Final answer
x = 36,344,681.84
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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.