Finding the Third Proportional to 612,489,420 and 1,344,021,300
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Solution
The third proportional to 612,489,420 and 1,344,021,300 is: 2,949,264,421.34
Step by Step Solution
- Step 1: Write the proportion equation
612,489,420 : 1,344,021,300 = 1,344,021,300 : x - Step 2: Convert to fraction form
612,489,420/1,344,021,300 = 1,344,021,300/x - Step 3: Cross multiply
612,489,420x = 1,344,021,300 × 1,344,021,300 - Step 4: Simplify right side
612,489,420x = 1,806,393,254,853,690,112 - Step 5: Solve for x
x = 1,806,393,254,853,690,112/612,489,420 - Step 6: Final answer
x = 2,949,264,421.34
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.