Finding the Third Proportional to 61,369,936 and 130,307,864
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Solution
The third proportional to 61,369,936 and 130,307,864 is: 276,684,978.46
Step by Step Solution
- Step 1: Write the proportion equation
61,369,936 : 130,307,864 = 130,307,864 : x - Step 2: Convert to fraction form
61,369,936/130,307,864 = 130,307,864/x - Step 3: Cross multiply
61,369,936x = 130,307,864 × 130,307,864 - Step 4: Simplify right side
61,369,936x = 16,980,139,420,242,496 - Step 5: Solve for x
x = 16,980,139,420,242,496/61,369,936 - Step 6: Final answer
x = 276,684,978.46
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.