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Finding the Third Proportional to 40,492,917 and 87,130,923

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Solution

The third proportional to 40,492,917 and 87,130,923 is: 187,484,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492,917 : 87,130,923 = 87,130,923 : x
  2. Step 2: Convert to fraction form
    40,492,917/87,130,923 = 87,130,923/x
  3. Step 3: Cross multiply
    40,492,917x = 87,130,923 × 87,130,923
  4. Step 4: Simplify right side
    40,492,917x = 7,591,797,742,831,929
  5. Step 5: Solve for x
    x = 7,591,797,742,831,929/40,492,917
  6. Step 6: Final answer
    x = 187,484,585.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.