Finding the Third Proportional to 128,104,420,573.12 and 266,811,966,177.75
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Solution
The third proportional to 128,104,420,573.12 and 266,811,966,177.75 is: 555,707,796,633.01
Step by Step Solution
- Step 1: Write the proportion equation
128,104,420,573.12 : 266,811,966,177.75 = 266,811,966,177.75 : x - Step 2: Convert to fraction form
128,104,420,573.12/266,811,966,177.75 = 266,811,966,177.75/x - Step 3: Cross multiply
128,104,420,573.12x = 266,811,966,177.75 × 266,811,966,177.75 - Step 4: Simplify right side
128,104,420,573.12x = 71,188,625,295,636,810,432,512 - Step 5: Solve for x
x = 71,188,625,295,636,810,432,512/128,104,420,573.12 - Step 6: Final answer
x = 555,707,796,633.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.