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Finding the Third Proportional to 9,432,385 and 20,209,530

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Solution

The third proportional to 9,432,385 and 20,209,530 is: 43,300,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432,385 : 20,209,530 = 20,209,530 : x
  2. Step 2: Convert to fraction form
    9,432,385/20,209,530 = 20,209,530/x
  3. Step 3: Cross multiply
    9,432,385x = 20,209,530 × 20,209,530
  4. Step 4: Simplify right side
    9,432,385x = 408,425,102,820,900
  5. Step 5: Solve for x
    x = 408,425,102,820,900/9,432,385
  6. Step 6: Final answer
    x = 43,300,300.28

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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.