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Finding the Third Proportional to 13,260,672 and 20,476,800

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Solution

The third proportional to 13,260,672 and 20,476,800 is: 31,619,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,672 : 20,476,800 = 20,476,800 : x
  2. Step 2: Convert to fraction form
    13,260,672/20,476,800 = 20,476,800/x
  3. Step 3: Cross multiply
    13,260,672x = 20,476,800 × 20,476,800
  4. Step 4: Simplify right side
    13,260,672x = 419,299,338,240,000
  5. Step 5: Solve for x
    x = 419,299,338,240,000/13,260,672
  6. Step 6: Final answer
    x = 31,619,765.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.