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Finding the Third Proportional to 244,988 and 316,936

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Solution

The third proportional to 244,988 and 316,936 is: 410,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,988 : 316,936 = 316,936 : x
  2. Step 2: Convert to fraction form
    244,988/316,936 = 316,936/x
  3. Step 3: Cross multiply
    244,988x = 316,936 × 316,936
  4. Step 4: Simplify right side
    244,988x = 100,448,428,096
  5. Step 5: Solve for x
    x = 100,448,428,096/244,988
  6. Step 6: Final answer
    x = 410,013.67

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.