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Finding the Third Proportional to 12,082,428 and 18,299,128

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Solution

The third proportional to 12,082,428 and 18,299,128 is: 27,714,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,428 : 18,299,128 = 18,299,128 : x
  2. Step 2: Convert to fraction form
    12,082,428/18,299,128 = 18,299,128/x
  3. Step 3: Cross multiply
    12,082,428x = 18,299,128 × 18,299,128
  4. Step 4: Simplify right side
    12,082,428x = 334,858,085,560,384
  5. Step 5: Solve for x
    x = 334,858,085,560,384/12,082,428
  6. Step 6: Final answer
    x = 27,714,469.77

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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.