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Finding the Third Proportional to 455,722.88 and 981,564.75

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Solution

The third proportional to 455,722.88 and 981,564.75 is: 2,114,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,722.88 : 981,564.75 = 981,564.75 : x
  2. Step 2: Convert to fraction form
    455,722.88/981,564.75 = 981,564.75/x
  3. Step 3: Cross multiply
    455,722.88x = 981,564.75 × 981,564.75
  4. Step 4: Simplify right side
    455,722.88x = 963,469,358,442.56
  5. Step 5: Solve for x
    x = 963,469,358,442.56/455,722.88
  6. Step 6: Final answer
    x = 2,114,156.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.