Finding the Third Proportional to 7,750,281 and 12,761,649
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Solution
The third proportional to 7,750,281 and 12,761,649 is: 21,013,391.02
Step by Step Solution
- Step 1: Write the proportion equation
7,750,281 : 12,761,649 = 12,761,649 : x - Step 2: Convert to fraction form
7,750,281/12,761,649 = 12,761,649/x - Step 3: Cross multiply
7,750,281x = 12,761,649 × 12,761,649 - Step 4: Simplify right side
7,750,281x = 162,859,685,199,201 - Step 5: Solve for x
x = 162,859,685,199,201/7,750,281 - Step 6: Final answer
x = 21,013,391.02
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.