Finding the Third Proportional to 979,281 and 2,076,130
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Solution
The third proportional to 979,281 and 2,076,130 is: 4,401,510.68
Step by Step Solution
- Step 1: Write the proportion equation
979,281 : 2,076,130 = 2,076,130 : x - Step 2: Convert to fraction form
979,281/2,076,130 = 2,076,130/x - Step 3: Cross multiply
979,281x = 2,076,130 × 2,076,130 - Step 4: Simplify right side
979,281x = 4,310,315,776,900 - Step 5: Solve for x
x = 4,310,315,776,900/979,281 - Step 6: Final answer
x = 4,401,510.68
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.