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Finding the Third Proportional to 20,189,318 and 30,469,048

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Solution

The third proportional to 20,189,318 and 30,469,048 is: 45,982,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,318 : 30,469,048 = 30,469,048 : x
  2. Step 2: Convert to fraction form
    20,189,318/30,469,048 = 30,469,048/x
  3. Step 3: Cross multiply
    20,189,318x = 30,469,048 × 30,469,048
  4. Step 4: Simplify right side
    20,189,318x = 928,362,886,026,304
  5. Step 5: Solve for x
    x = 928,362,886,026,304/20,189,318
  6. Step 6: Final answer
    x = 45,982,875.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.