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Finding the Third Proportional to 447,084 and 972,800

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Solution

The third proportional to 447,084 and 972,800 is: 2,116,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,084 : 972,800 = 972,800 : x
  2. Step 2: Convert to fraction form
    447,084/972,800 = 972,800/x
  3. Step 3: Cross multiply
    447,084x = 972,800 × 972,800
  4. Step 4: Simplify right side
    447,084x = 946,339,840,000
  5. Step 5: Solve for x
    x = 946,339,840,000/447,084
  6. Step 6: Final answer
    x = 2,116,693.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.