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Finding the Third Proportional to 13,345,839 and 20,018,772

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Solution

The third proportional to 13,345,839 and 20,018,772 is: 30,028,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,839 : 20,018,772 = 20,018,772 : x
  2. Step 2: Convert to fraction form
    13,345,839/20,018,772 = 20,018,772/x
  3. Step 3: Cross multiply
    13,345,839x = 20,018,772 × 20,018,772
  4. Step 4: Simplify right side
    13,345,839x = 400,751,232,387,984
  5. Step 5: Solve for x
    x = 400,751,232,387,984/13,345,839
  6. Step 6: Final answer
    x = 30,028,178.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.