Finding the Third Proportional to 320,129,448 and 688,792,800
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Solution
The third proportional to 320,129,448 and 688,792,800 is: 1,482,011,493.46
Step by Step Solution
- Step 1: Write the proportion equation
320,129,448 : 688,792,800 = 688,792,800 : x - Step 2: Convert to fraction form
320,129,448/688,792,800 = 688,792,800/x - Step 3: Cross multiply
320,129,448x = 688,792,800 × 688,792,800 - Step 4: Simplify right side
320,129,448x = 474,435,521,331,840,000 - Step 5: Solve for x
x = 474,435,521,331,840,000/320,129,448 - Step 6: Final answer
x = 1,482,011,493.46
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.