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Finding the Third Proportional to 9,621,378 and 20,746,662

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Solution

The third proportional to 9,621,378 and 20,746,662 is: 44,736,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,378 : 20,746,662 = 20,746,662 : x
  2. Step 2: Convert to fraction form
    9,621,378/20,746,662 = 20,746,662/x
  3. Step 3: Cross multiply
    9,621,378x = 20,746,662 × 20,746,662
  4. Step 4: Simplify right side
    9,621,378x = 430,423,984,142,244
  5. Step 5: Solve for x
    x = 430,423,984,142,244/9,621,378
  6. Step 6: Final answer
    x = 44,736,209.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.