Finding the Third Proportional to 642,960 and 1,374,498
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Solution
The third proportional to 642,960 and 1,374,498 is: 2,938,355.03
Step by Step Solution
- Step 1: Write the proportion equation
642,960 : 1,374,498 = 1,374,498 : x - Step 2: Convert to fraction form
642,960/1,374,498 = 1,374,498/x - Step 3: Cross multiply
642,960x = 1,374,498 × 1,374,498 - Step 4: Simplify right side
642,960x = 1,889,244,752,004 - Step 5: Solve for x
x = 1,889,244,752,004/642,960 - Step 6: Final answer
x = 2,938,355.03
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.