Finding the Third Proportional to 406,598,376 and 628,261,902
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Solution
The third proportional to 406,598,376 and 628,261,902 is: 970,768,799.88
Step by Step Solution
- Step 1: Write the proportion equation
406,598,376 : 628,261,902 = 628,261,902 : x - Step 2: Convert to fraction form
406,598,376/628,261,902 = 628,261,902/x - Step 3: Cross multiply
406,598,376x = 628,261,902 × 628,261,902 - Step 4: Simplify right side
406,598,376x = 394,713,017,504,657,600 - Step 5: Solve for x
x = 394,713,017,504,657,600/406,598,376 - Step 6: Final answer
x = 970,768,799.88
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.