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Finding the Third Proportional to 136,462,880 and 195,143,529

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Solution

The third proportional to 136,462,880 and 195,143,529 is: 279,057,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,462,880 : 195,143,529 = 195,143,529 : x
  2. Step 2: Convert to fraction form
    136,462,880/195,143,529 = 195,143,529/x
  3. Step 3: Cross multiply
    136,462,880x = 195,143,529 × 195,143,529
  4. Step 4: Simplify right side
    136,462,880x = 38,080,996,910,573,840
  5. Step 5: Solve for x
    x = 38,080,996,910,573,840/136,462,880
  6. Step 6: Final answer
    x = 279,057,549.65

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.