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Finding the Third Proportional to 12,489,993 and 26,628,984

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Solution

The third proportional to 12,489,993 and 26,628,984 is: 56,773,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,489,993 : 26,628,984 = 26,628,984 : x
  2. Step 2: Convert to fraction form
    12,489,993/26,628,984 = 26,628,984/x
  3. Step 3: Cross multiply
    12,489,993x = 26,628,984 × 26,628,984
  4. Step 4: Simplify right side
    12,489,993x = 709,102,788,872,256
  5. Step 5: Solve for x
    x = 709,102,788,872,256/12,489,993
  6. Step 6: Final answer
    x = 56,773,673.84

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.