Finding the Third Proportional to 39,021,934 and 84,037,328
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Solution
The third proportional to 39,021,934 and 84,037,328 is: 180,982,123.99
Step by Step Solution
- Step 1: Write the proportion equation
39,021,934 : 84,037,328 = 84,037,328 : x - Step 2: Convert to fraction form
39,021,934/84,037,328 = 84,037,328/x - Step 3: Cross multiply
39,021,934x = 84,037,328 × 84,037,328 - Step 4: Simplify right side
39,021,934x = 7,062,272,497,379,584 - Step 5: Solve for x
x = 7,062,272,497,379,584/39,021,934 - Step 6: Final answer
x = 180,982,123.99
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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.