Finding the Third Proportional to 310,952,468 and 680,481,832
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Solution
The third proportional to 310,952,468 and 680,481,832 is: 1,489,152,109.52
Step by Step Solution
- Step 1: Write the proportion equation
310,952,468 : 680,481,832 = 680,481,832 : x - Step 2: Convert to fraction form
310,952,468/680,481,832 = 680,481,832/x - Step 3: Cross multiply
310,952,468x = 680,481,832 × 680,481,832 - Step 4: Simplify right side
310,952,468x = 463,055,523,682,076,224 - Step 5: Solve for x
x = 463,055,523,682,076,224/310,952,468 - Step 6: Final answer
x = 1,489,152,109.52
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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.