Finding the Third Proportional to 122,512,940 and 189,792,788
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Solution
The third proportional to 122,512,940 and 189,792,788 is: 294,020,389.82
Step by Step Solution
- Step 1: Write the proportion equation
122,512,940 : 189,792,788 = 189,792,788 : x - Step 2: Convert to fraction form
122,512,940/189,792,788 = 189,792,788/x - Step 3: Cross multiply
122,512,940x = 189,792,788 × 189,792,788 - Step 4: Simplify right side
122,512,940x = 36,021,302,376,812,944 - Step 5: Solve for x
x = 36,021,302,376,812,944/122,512,940 - Step 6: Final answer
x = 294,020,389.82
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.