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Finding the Third Proportional to 12,638,425 and 27,223,621

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Solution

The third proportional to 12,638,425 and 27,223,621 is: 58,640,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,638,425 : 27,223,621 = 27,223,621 : x
  2. Step 2: Convert to fraction form
    12,638,425/27,223,621 = 27,223,621/x
  3. Step 3: Cross multiply
    12,638,425x = 27,223,621 × 27,223,621
  4. Step 4: Simplify right side
    12,638,425x = 741,125,540,351,641
  5. Step 5: Solve for x
    x = 741,125,540,351,641/12,638,425
  6. Step 6: Final answer
    x = 58,640,656.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.