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Finding the Third Proportional to 440,612 and 700,285

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Solution

The third proportional to 440,612 and 700,285 is: 1,112,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,612 : 700,285 = 700,285 : x
  2. Step 2: Convert to fraction form
    440,612/700,285 = 700,285/x
  3. Step 3: Cross multiply
    440,612x = 700,285 × 700,285
  4. Step 4: Simplify right side
    440,612x = 490,399,081,225
  5. Step 5: Solve for x
    x = 490,399,081,225/440,612
  6. Step 6: Final answer
    x = 1,112,995.29

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.