Finding the Third Proportional to 42,654,739 and 91,879,831
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Solution
The third proportional to 42,654,739 and 91,879,831 is: 197,912,436.99
Step by Step Solution
- Step 1: Write the proportion equation
42,654,739 : 91,879,831 = 91,879,831 : x - Step 2: Convert to fraction form
42,654,739/91,879,831 = 91,879,831/x - Step 3: Cross multiply
42,654,739x = 91,879,831 × 91,879,831 - Step 4: Simplify right side
42,654,739x = 8,441,903,344,588,561 - Step 5: Solve for x
x = 8,441,903,344,588,561/42,654,739 - Step 6: Final answer
x = 197,912,436.99
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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.