Finding the Third Proportional to 376,782,031 and 508,905,906
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Solution
The third proportional to 376,782,031 and 508,905,906 is: 687,360,860.80
Step by Step Solution
- Step 1: Write the proportion equation
376,782,031 : 508,905,906 = 508,905,906 : x - Step 2: Convert to fraction form
376,782,031/508,905,906 = 508,905,906/x - Step 3: Cross multiply
376,782,031x = 508,905,906 × 508,905,906 - Step 4: Simplify right side
376,782,031x = 258,985,221,161,680,832 - Step 5: Solve for x
x = 258,985,221,161,680,832/376,782,031 - Step 6: Final answer
x = 687,360,860.80
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.