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Finding the Third Proportional to 12,546,220 and 19,179,933

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Solution

The third proportional to 12,546,220 and 19,179,933 is: 29,321,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,220 : 19,179,933 = 19,179,933 : x
  2. Step 2: Convert to fraction form
    12,546,220/19,179,933 = 19,179,933/x
  3. Step 3: Cross multiply
    12,546,220x = 19,179,933 × 19,179,933
  4. Step 4: Simplify right side
    12,546,220x = 367,869,829,884,489
  5. Step 5: Solve for x
    x = 367,869,829,884,489/12,546,220
  6. Step 6: Final answer
    x = 29,321,168.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.