Finding the Third Proportional to 402,795,282 and 621,986,397
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Solution
The third proportional to 402,795,282 and 621,986,397 is: 960,455,832.88
Step by Step Solution
- Step 1: Write the proportion equation
402,795,282 : 621,986,397 = 621,986,397 : x - Step 2: Convert to fraction form
402,795,282/621,986,397 = 621,986,397/x - Step 3: Cross multiply
402,795,282x = 621,986,397 × 621,986,397 - Step 4: Simplify right side
402,795,282x = 386,867,078,053,041,600 - Step 5: Solve for x
x = 386,867,078,053,041,600/402,795,282 - Step 6: Final answer
x = 960,455,832.88
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.