Finding the Third Proportional to 397,688,099 and 864,214,417
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Solution
The third proportional to 397,688,099 and 864,214,417 is: 1,878,020,892.32
Step by Step Solution
- Step 1: Write the proportion equation
397,688,099 : 864,214,417 = 864,214,417 : x - Step 2: Convert to fraction form
397,688,099/864,214,417 = 864,214,417/x - Step 3: Cross multiply
397,688,099x = 864,214,417 × 864,214,417 - Step 4: Simplify right side
397,688,099x = 746,866,558,550,649,856 - Step 5: Solve for x
x = 746,866,558,550,649,856/397,688,099 - Step 6: Final answer
x = 1,878,020,892.32
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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.