Finding the Third Proportional to 411,918,106.22 and 621,707,853.09
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Solution
The third proportional to 411,918,106.22 and 621,707,853.09 is: 938,343,444.40
Step by Step Solution
- Step 1: Write the proportion equation
411,918,106.22 : 621,707,853.09 = 621,707,853.09 : x - Step 2: Convert to fraction form
411,918,106.22/621,707,853.09 = 621,707,853.09/x - Step 3: Cross multiply
411,918,106.22x = 621,707,853.09 × 621,707,853.09 - Step 4: Simplify right side
411,918,106.22x = 386,520,654,598,439,808 - Step 5: Solve for x
x = 386,520,654,598,439,808/411,918,106.22 - Step 6: Final answer
x = 938,343,444.40
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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.