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Finding the Third Proportional to 89,260,470 and 135,237,989

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Solution

The third proportional to 89,260,470 and 135,237,989 is: 204,898,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,260,470 : 135,237,989 = 135,237,989 : x
  2. Step 2: Convert to fraction form
    89,260,470/135,237,989 = 135,237,989/x
  3. Step 3: Cross multiply
    89,260,470x = 135,237,989 × 135,237,989
  4. Step 4: Simplify right side
    89,260,470x = 18,289,313,668,764,120
  5. Step 5: Solve for x
    x = 18,289,313,668,764,120/89,260,470
  6. Step 6: Final answer
    x = 204,898,245.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.