Finding the Third Proportional to 399,235,128 and 868,770,610.50
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Solution
The third proportional to 399,235,128 and 868,770,610.50 is: 1,890,520,950.52
Step by Step Solution
- Step 1: Write the proportion equation
399,235,128 : 868,770,610.50 = 868,770,610.50 : x - Step 2: Convert to fraction form
399,235,128/868,770,610.50 = 868,770,610.50/x - Step 3: Cross multiply
399,235,128x = 868,770,610.50 × 868,770,610.50 - Step 4: Simplify right side
399,235,128x = 754,762,373,668,542,720 - Step 5: Solve for x
x = 754,762,373,668,542,720/399,235,128 - Step 6: Final answer
x = 1,890,520,950.52
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.