Finding the Third Proportional to 18,299,439 and 39,611,565
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Solution
The third proportional to 18,299,439 and 39,611,565 is: 85,744,490.95
Step by Step Solution
- Step 1: Write the proportion equation
18,299,439 : 39,611,565 = 39,611,565 : x - Step 2: Convert to fraction form
18,299,439/39,611,565 = 39,611,565/x - Step 3: Cross multiply
18,299,439x = 39,611,565 × 39,611,565 - Step 4: Simplify right side
18,299,439x = 1,569,076,081,749,225 - Step 5: Solve for x
x = 1,569,076,081,749,225/18,299,439 - Step 6: Final answer
x = 85,744,490.95
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.