Finding the Third Proportional to 411,918,252.75 and 621,707,990.63
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Solution
The third proportional to 411,918,252.75 and 621,707,990.63 is: 938,343,525.75
Step by Step Solution
- Step 1: Write the proportion equation
411,918,252.75 : 621,707,990.63 = 621,707,990.63 : x - Step 2: Convert to fraction form
411,918,252.75/621,707,990.63 = 621,707,990.63/x - Step 3: Cross multiply
411,918,252.75x = 621,707,990.63 × 621,707,990.63 - Step 4: Simplify right side
411,918,252.75x = 386,520,825,606,975,104 - Step 5: Solve for x
x = 386,520,825,606,975,104/411,918,252.75 - Step 6: Final answer
x = 938,343,525.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.