Finding the Third Proportional to 391,370,040 and 838,763,478
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Solution
The third proportional to 391,370,040 and 838,763,478 is: 1,797,593,326.32
Step by Step Solution
- Step 1: Write the proportion equation
391,370,040 : 838,763,478 = 838,763,478 : x - Step 2: Convert to fraction form
391,370,040/838,763,478 = 838,763,478/x - Step 3: Cross multiply
391,370,040x = 838,763,478 × 838,763,478 - Step 4: Simplify right side
391,370,040x = 703,524,172,026,656,512 - Step 5: Solve for x
x = 703,524,172,026,656,512/391,370,040 - Step 6: Final answer
x = 1,797,593,326.32
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.