Finding the Third Proportional to 7,838,793 and 16,878,865
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Solution
The third proportional to 7,838,793 and 16,878,865 is: 36,344,381.55
Step by Step Solution
- Step 1: Write the proportion equation
7,838,793 : 16,878,865 = 16,878,865 : x - Step 2: Convert to fraction form
7,838,793/16,878,865 = 16,878,865/x - Step 3: Cross multiply
7,838,793x = 16,878,865 × 16,878,865 - Step 4: Simplify right side
7,838,793x = 284,896,083,688,225 - Step 5: Solve for x
x = 284,896,083,688,225/7,838,793 - Step 6: Final answer
x = 36,344,381.55
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.