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Finding the Third Proportional to 9,432,330 and 20,209,422

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Solution

The third proportional to 9,432,330 and 20,209,422 is: 43,300,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432,330 : 20,209,422 = 20,209,422 : x
  2. Step 2: Convert to fraction form
    9,432,330/20,209,422 = 20,209,422/x
  3. Step 3: Cross multiply
    9,432,330x = 20,209,422 × 20,209,422
  4. Step 4: Simplify right side
    9,432,330x = 408,420,737,574,084
  5. Step 5: Solve for x
    x = 408,420,737,574,084/9,432,330
  6. Step 6: Final answer
    x = 43,300,089.96

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.