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Finding the Third Proportional to 4,722,489 and 10,012,482

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Solution

The third proportional to 4,722,489 and 10,012,482 is: 21,228,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722,489 : 10,012,482 = 10,012,482 : x
  2. Step 2: Convert to fraction form
    4,722,489/10,012,482 = 10,012,482/x
  3. Step 3: Cross multiply
    4,722,489x = 10,012,482 × 10,012,482
  4. Step 4: Simplify right side
    4,722,489x = 100,249,795,800,324
  5. Step 5: Solve for x
    x = 100,249,795,800,324/4,722,489
  6. Step 6: Final answer
    x = 21,228,169.26

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.