Finding the Third Proportional to 79,354,216.69 and 122,569,579.69
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Solution
The third proportional to 79,354,216.69 and 122,569,579.69 is: 189,319,515.61
Step by Step Solution
- Step 1: Write the proportion equation
79,354,216.69 : 122,569,579.69 = 122,569,579.69 : x - Step 2: Convert to fraction form
79,354,216.69/122,569,579.69 = 122,569,579.69/x - Step 3: Cross multiply
79,354,216.69x = 122,569,579.69 × 122,569,579.69 - Step 4: Simplify right side
79,354,216.69x = 15,023,301,864,770,412 - Step 5: Solve for x
x = 15,023,301,864,770,412/79,354,216.69 - Step 6: Final answer
x = 189,319,515.61
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.