Finding the Third Proportional to 420,934,453 and 918,361,417
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Solution
The third proportional to 420,934,453 and 918,361,417 is: 2,003,608,130.02
Step by Step Solution
- Step 1: Write the proportion equation
420,934,453 : 918,361,417 = 918,361,417 : x - Step 2: Convert to fraction form
420,934,453/918,361,417 = 918,361,417/x - Step 3: Cross multiply
420,934,453x = 918,361,417 × 918,361,417 - Step 4: Simplify right side
420,934,453x = 843,387,692,234,247,936 - Step 5: Solve for x
x = 843,387,692,234,247,936/420,934,453 - Step 6: Final answer
x = 2,003,608,130.02
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.