Finding the Third Proportional to 198,270,454 and 429,480,044
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Solution
The third proportional to 198,270,454 and 429,480,044 is: 930,310,615.99
Step by Step Solution
- Step 1: Write the proportion equation
198,270,454 : 429,480,044 = 429,480,044 : x - Step 2: Convert to fraction form
198,270,454/429,480,044 = 429,480,044/x - Step 3: Cross multiply
198,270,454x = 429,480,044 × 429,480,044 - Step 4: Simplify right side
198,270,454x = 184,453,108,194,241,920 - Step 5: Solve for x
x = 184,453,108,194,241,920/198,270,454 - Step 6: Final answer
x = 930,310,615.99
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.