Finding the Third Proportional to 122,872,387 and 263,979,368
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Solution
The third proportional to 122,872,387 and 263,979,368 is: 567,133,986.99
Step by Step Solution
- Step 1: Write the proportion equation
122,872,387 : 263,979,368 = 263,979,368 : x - Step 2: Convert to fraction form
122,872,387/263,979,368 = 263,979,368/x - Step 3: Cross multiply
122,872,387x = 263,979,368 × 263,979,368 - Step 4: Simplify right side
122,872,387x = 69,685,106,729,679,424 - Step 5: Solve for x
x = 69,685,106,729,679,424/122,872,387 - Step 6: Final answer
x = 567,133,986.99
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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.