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Finding the Third Proportional to 12,967,128 and 27,945,324

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Solution

The third proportional to 12,967,128 and 27,945,324 is: 60,224,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967,128 : 27,945,324 = 27,945,324 : x
  2. Step 2: Convert to fraction form
    12,967,128/27,945,324 = 27,945,324/x
  3. Step 3: Cross multiply
    12,967,128x = 27,945,324 × 27,945,324
  4. Step 4: Simplify right side
    12,967,128x = 780,941,133,464,976
  5. Step 5: Solve for x
    x = 780,941,133,464,976/12,967,128
  6. Step 6: Final answer
    x = 60,224,679.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.