Finding the Third Proportional to 421,881,779 and 925,451,289
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Solution
The third proportional to 421,881,779 and 925,451,289 is: 2,030,094,995.67
Step by Step Solution
- Step 1: Write the proportion equation
421,881,779 : 925,451,289 = 925,451,289 : x - Step 2: Convert to fraction form
421,881,779/925,451,289 = 925,451,289/x - Step 3: Cross multiply
421,881,779x = 925,451,289 × 925,451,289 - Step 4: Simplify right side
421,881,779x = 856,460,088,311,761,536 - Step 5: Solve for x
x = 856,460,088,311,761,536/421,881,779 - Step 6: Final answer
x = 2,030,094,995.67
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.