Finding the Third Proportional to 19,031,778 and 27,130,491
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Solution
The third proportional to 19,031,778 and 27,130,491 is: 38,675,500.62
Step by Step Solution
- Step 1: Write the proportion equation
19,031,778 : 27,130,491 = 27,130,491 : x - Step 2: Convert to fraction form
19,031,778/27,130,491 = 27,130,491/x - Step 3: Cross multiply
19,031,778x = 27,130,491 × 27,130,491 - Step 4: Simplify right side
19,031,778x = 736,063,541,901,081 - Step 5: Solve for x
x = 736,063,541,901,081/19,031,778 - Step 6: Final answer
x = 38,675,500.62
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.