Finding the Third Proportional to 77,574,220.17 and 115,688,622.09
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Solution
The third proportional to 77,574,220.17 and 115,688,622.09 is: 172,529,704.49
Step by Step Solution
- Step 1: Write the proportion equation
77,574,220.17 : 115,688,622.09 = 115,688,622.09 : x - Step 2: Convert to fraction form
77,574,220.17/115,688,622.09 = 115,688,622.09/x - Step 3: Cross multiply
77,574,220.17x = 115,688,622.09 × 115,688,622.09 - Step 4: Simplify right side
77,574,220.17x = 13,383,857,281,950,500 - Step 5: Solve for x
x = 13,383,857,281,950,500/77,574,220.17 - Step 6: Final answer
x = 172,529,704.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.