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Finding the Third Proportional to 117,960,449 and 176,940,689

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Solution

The third proportional to 117,960,449 and 176,940,689 is: 265,411,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,960,449 : 176,940,689 = 176,940,689 : x
  2. Step 2: Convert to fraction form
    117,960,449/176,940,689 = 176,940,689/x
  3. Step 3: Cross multiply
    117,960,449x = 176,940,689 × 176,940,689
  4. Step 4: Simplify right side
    117,960,449x = 31,308,007,423,794,720
  5. Step 5: Solve for x
    x = 31,308,007,423,794,720/117,960,449
  6. Step 6: Final answer
    x = 265,411,056.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.