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Finding the Third Proportional to 31,450,680 and 67,273,281

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Solution

The third proportional to 31,450,680 and 67,273,281 is: 143,898,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450,680 : 67,273,281 = 67,273,281 : x
  2. Step 2: Convert to fraction form
    31,450,680/67,273,281 = 67,273,281/x
  3. Step 3: Cross multiply
    31,450,680x = 67,273,281 × 67,273,281
  4. Step 4: Simplify right side
    31,450,680x = 4,525,694,336,504,961
  5. Step 5: Solve for x
    x = 4,525,694,336,504,961/31,450,680
  6. Step 6: Final answer
    x = 143,898,139.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.