Finding the Third Proportional to 67,482,189,666.42 and 145,120,216,842.84
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Solution
The third proportional to 67,482,189,666.42 and 145,120,216,842.84 is: 312,080,527,330.49
Step by Step Solution
- Step 1: Write the proportion equation
67,482,189,666.42 : 145,120,216,842.84 = 145,120,216,842.84 : x - Step 2: Convert to fraction form
67,482,189,666.42/145,120,216,842.84 = 145,120,216,842.84/x - Step 3: Cross multiply
67,482,189,666.42x = 145,120,216,842.84 × 145,120,216,842.84 - Step 4: Simplify right side
67,482,189,666.42x = 21,059,877,336,512,903,249,920 - Step 5: Solve for x
x = 21,059,877,336,512,903,249,920/67,482,189,666.42 - Step 6: Final answer
x = 312,080,527,330.49
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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.