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Finding the Third Proportional to 12,128,997 and 26,304,462

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Solution

The third proportional to 12,128,997 and 26,304,462 is: 57,047,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,997 : 26,304,462 = 26,304,462 : x
  2. Step 2: Convert to fraction form
    12,128,997/26,304,462 = 26,304,462/x
  3. Step 3: Cross multiply
    12,128,997x = 26,304,462 × 26,304,462
  4. Step 4: Simplify right side
    12,128,997x = 691,924,721,109,444
  5. Step 5: Solve for x
    x = 691,924,721,109,444/12,128,997
  6. Step 6: Final answer
    x = 57,047,150.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.