Finding the Third Proportional to 478,823,319 and 673,994,913
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Solution
The third proportional to 478,823,319 and 673,994,913 is: 948,719,756.80
Step by Step Solution
- Step 1: Write the proportion equation
478,823,319 : 673,994,913 = 673,994,913 : x - Step 2: Convert to fraction form
478,823,319/673,994,913 = 673,994,913/x - Step 3: Cross multiply
478,823,319x = 673,994,913 × 673,994,913 - Step 4: Simplify right side
478,823,319x = 454,269,142,749,877,568 - Step 5: Solve for x
x = 454,269,142,749,877,568/478,823,319 - Step 6: Final answer
x = 948,719,756.80
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.