Finding the Third Proportional to 411,493,780 and 626,887,704
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Solution
The third proportional to 411,493,780 and 626,887,704 is: 955,028,271.45
Step by Step Solution
- Step 1: Write the proportion equation
411,493,780 : 626,887,704 = 626,887,704 : x - Step 2: Convert to fraction form
411,493,780/626,887,704 = 626,887,704/x - Step 3: Cross multiply
411,493,780x = 626,887,704 × 626,887,704 - Step 4: Simplify right side
411,493,780x = 392,988,193,426,391,616 - Step 5: Solve for x
x = 392,988,193,426,391,616/411,493,780 - Step 6: Final answer
x = 955,028,271.45
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.