Finding the Third Proportional to 3,880,683 and 8,440,890.75
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Solution
The third proportional to 3,880,683 and 8,440,890.75 is: 18,359,818.79
Step by Step Solution
- Step 1: Write the proportion equation
3,880,683 : 8,440,890.75 = 8,440,890.75 : x - Step 2: Convert to fraction form
3,880,683/8,440,890.75 = 8,440,890.75/x - Step 3: Cross multiply
3,880,683x = 8,440,890.75 × 8,440,890.75 - Step 4: Simplify right side
3,880,683x = 71,248,636,653,435.56 - Step 5: Solve for x
x = 71,248,636,653,435.56/3,880,683 - Step 6: Final answer
x = 18,359,818.79
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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.