Finding the Third Proportional to 777,643 and 1,617,378
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Solution
The third proportional to 777,643 and 1,617,378 is: 3,363,897.82
Step by Step Solution
- Step 1: Write the proportion equation
777,643 : 1,617,378 = 1,617,378 : x - Step 2: Convert to fraction form
777,643/1,617,378 = 1,617,378/x - Step 3: Cross multiply
777,643x = 1,617,378 × 1,617,378 - Step 4: Simplify right side
777,643x = 2,615,911,594,884 - Step 5: Solve for x
x = 2,615,911,594,884/777,643 - Step 6: Final answer
x = 3,363,897.82
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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.