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Finding the Third Proportional to 9,472,388 and 13,197,390

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Solution

The third proportional to 9,472,388 and 13,197,390 is: 18,387,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472,388 : 13,197,390 = 13,197,390 : x
  2. Step 2: Convert to fraction form
    9,472,388/13,197,390 = 13,197,390/x
  3. Step 3: Cross multiply
    9,472,388x = 13,197,390 × 13,197,390
  4. Step 4: Simplify right side
    9,472,388x = 174,171,102,812,100
  5. Step 5: Solve for x
    x = 174,171,102,812,100/9,472,388
  6. Step 6: Final answer
    x = 18,387,243.30

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.