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Finding the Third Proportional to 981,715 and 1,440,244

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Solution

The third proportional to 981,715 and 1,440,244 is: 2,112,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,715 : 1,440,244 = 1,440,244 : x
  2. Step 2: Convert to fraction form
    981,715/1,440,244 = 1,440,244/x
  3. Step 3: Cross multiply
    981,715x = 1,440,244 × 1,440,244
  4. Step 4: Simplify right side
    981,715x = 2,074,302,779,536
  5. Step 5: Solve for x
    x = 2,074,302,779,536/981,715
  6. Step 6: Final answer
    x = 2,112,937.85

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.