Finding the Third Proportional to 19,872,785 and 40,476,386
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Solution
The third proportional to 19,872,785 and 40,476,386 is: 82,441,279.55
Step by Step Solution
- Step 1: Write the proportion equation
19,872,785 : 40,476,386 = 40,476,386 : x - Step 2: Convert to fraction form
19,872,785/40,476,386 = 40,476,386/x - Step 3: Cross multiply
19,872,785x = 40,476,386 × 40,476,386 - Step 4: Simplify right side
19,872,785x = 1,638,337,823,620,996 - Step 5: Solve for x
x = 1,638,337,823,620,996/19,872,785 - Step 6: Final answer
x = 82,441,279.55
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.