Finding the Third Proportional to 138,126,831 and 207,139,525.50
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Solution
The third proportional to 138,126,831 and 207,139,525.50 is: 310,633,225.38
Step by Step Solution
- Step 1: Write the proportion equation
138,126,831 : 207,139,525.50 = 207,139,525.50 : x - Step 2: Convert to fraction form
138,126,831/207,139,525.50 = 207,139,525.50/x - Step 3: Cross multiply
138,126,831x = 207,139,525.50 × 207,139,525.50 - Step 4: Simplify right side
138,126,831x = 42,906,783,024,365,152 - Step 5: Solve for x
x = 42,906,783,024,365,152/138,126,831 - Step 6: Final answer
x = 310,633,225.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.