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Finding the Third Proportional to 12,395,349 and 19,239,642

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Solution

The third proportional to 12,395,349 and 19,239,642 is: 29,863,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,349 : 19,239,642 = 19,239,642 : x
  2. Step 2: Convert to fraction form
    12,395,349/19,239,642 = 19,239,642/x
  3. Step 3: Cross multiply
    12,395,349x = 19,239,642 × 19,239,642
  4. Step 4: Simplify right side
    12,395,349x = 370,163,824,288,164
  5. Step 5: Solve for x
    x = 370,163,824,288,164/12,395,349
  6. Step 6: Final answer
    x = 29,863,122.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.