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Finding the Third Proportional to 570,812 and 888,900

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Solution

The third proportional to 570,812 and 888,900 is: 1,384,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,812 : 888,900 = 888,900 : x
  2. Step 2: Convert to fraction form
    570,812/888,900 = 888,900/x
  3. Step 3: Cross multiply
    570,812x = 888,900 × 888,900
  4. Step 4: Simplify right side
    570,812x = 790,143,210,000
  5. Step 5: Solve for x
    x = 790,143,210,000/570,812
  6. Step 6: Final answer
    x = 1,384,244.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.