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Finding the Third Proportional to 13,276,012 and 20,503,678

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Solution

The third proportional to 13,276,012 and 20,503,678 is: 31,666,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276,012 : 20,503,678 = 20,503,678 : x
  2. Step 2: Convert to fraction form
    13,276,012/20,503,678 = 20,503,678/x
  3. Step 3: Cross multiply
    13,276,012x = 20,503,678 × 20,503,678
  4. Step 4: Simplify right side
    13,276,012x = 420,400,811,527,684
  5. Step 5: Solve for x
    x = 420,400,811,527,684/13,276,012
  6. Step 6: Final answer
    x = 31,666,197.01

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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.