Finding the Third Proportional to 138,457,830 and 295,447,524
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Solution
The third proportional to 138,457,830 and 295,447,524 is: 630,439,170.09
Step by Step Solution
- Step 1: Write the proportion equation
138,457,830 : 295,447,524 = 295,447,524 : x - Step 2: Convert to fraction form
138,457,830/295,447,524 = 295,447,524/x - Step 3: Cross multiply
138,457,830x = 295,447,524 × 295,447,524 - Step 4: Simplify right side
138,457,830x = 87,289,239,437,730,576 - Step 5: Solve for x
x = 87,289,239,437,730,576/138,457,830 - Step 6: Final answer
x = 630,439,170.09
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.