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Finding the Third Proportional to 5,135,858 and 12,145,732

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Solution

The third proportional to 5,135,858 and 12,145,732 is: 28,723,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,858 : 12,145,732 = 12,145,732 : x
  2. Step 2: Convert to fraction form
    5,135,858/12,145,732 = 12,145,732/x
  3. Step 3: Cross multiply
    5,135,858x = 12,145,732 × 12,145,732
  4. Step 4: Simplify right side
    5,135,858x = 147,518,805,815,824
  5. Step 5: Solve for x
    x = 147,518,805,815,824/5,135,858
  6. Step 6: Final answer
    x = 28,723,303.06

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.