Finding the Third Proportional to 280,747,260 and 436,430,901
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Solution
The third proportional to 280,747,260 and 436,430,901 is: 678,446,269.96
Step by Step Solution
- Step 1: Write the proportion equation
280,747,260 : 436,430,901 = 436,430,901 : x - Step 2: Convert to fraction form
280,747,260/436,430,901 = 436,430,901/x - Step 3: Cross multiply
280,747,260x = 436,430,901 × 436,430,901 - Step 4: Simplify right side
280,747,260x = 190,471,931,347,671,808 - Step 5: Solve for x
x = 190,471,931,347,671,808/280,747,260 - Step 6: Final answer
x = 678,446,269.96
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.