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Finding the Third Proportional to 16,212,128 and 25,299,696

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Solution

The third proportional to 16,212,128 and 25,299,696 is: 39,481,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212,128 : 25,299,696 = 25,299,696 : x
  2. Step 2: Convert to fraction form
    16,212,128/25,299,696 = 25,299,696/x
  3. Step 3: Cross multiply
    16,212,128x = 25,299,696 × 25,299,696
  4. Step 4: Simplify right side
    16,212,128x = 640,074,617,692,416
  5. Step 5: Solve for x
    x = 640,074,617,692,416/16,212,128
  6. Step 6: Final answer
    x = 39,481,221.57

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.