Finding the Third Proportional to 987,768 and 2,155,014
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Solution
The third proportional to 987,768 and 2,155,014 is: 4,701,595.25
Step by Step Solution
- Step 1: Write the proportion equation
987,768 : 2,155,014 = 2,155,014 : x - Step 2: Convert to fraction form
987,768/2,155,014 = 2,155,014/x - Step 3: Cross multiply
987,768x = 2,155,014 × 2,155,014 - Step 4: Simplify right side
987,768x = 4,644,085,340,196 - Step 5: Solve for x
x = 4,644,085,340,196/987,768 - Step 6: Final answer
x = 4,701,595.25
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.