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Finding the Third Proportional to 18,812,820 and 27,493,320

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Solution

The third proportional to 18,812,820 and 27,493,320 is: 40,179,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,820 : 27,493,320 = 27,493,320 : x
  2. Step 2: Convert to fraction form
    18,812,820/27,493,320 = 27,493,320/x
  3. Step 3: Cross multiply
    18,812,820x = 27,493,320 × 27,493,320
  4. Step 4: Simplify right side
    18,812,820x = 755,882,644,622,400
  5. Step 5: Solve for x
    x = 755,882,644,622,400/18,812,820
  6. Step 6: Final answer
    x = 40,179,124.91

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.