Finding the Third Proportional to 123,768,216 and 257,707,872
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Solution
The third proportional to 123,768,216 and 257,707,872 is: 536,594,526.75
Step by Step Solution
- Step 1: Write the proportion equation
123,768,216 : 257,707,872 = 257,707,872 : x - Step 2: Convert to fraction form
123,768,216/257,707,872 = 257,707,872/x - Step 3: Cross multiply
123,768,216x = 257,707,872 × 257,707,872 - Step 4: Simplify right side
123,768,216x = 66,413,347,290,768,384 - Step 5: Solve for x
x = 66,413,347,290,768,384/123,768,216 - Step 6: Final answer
x = 536,594,526.75
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.