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Finding the Third Proportional to 13,880,732 and 20,739,446

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Solution

The third proportional to 13,880,732 and 20,739,446 is: 30,987,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880,732 : 20,739,446 = 20,739,446 : x
  2. Step 2: Convert to fraction form
    13,880,732/20,739,446 = 20,739,446/x
  3. Step 3: Cross multiply
    13,880,732x = 20,739,446 × 20,739,446
  4. Step 4: Simplify right side
    13,880,732x = 430,124,620,386,916
  5. Step 5: Solve for x
    x = 430,124,620,386,916/13,880,732
  6. Step 6: Final answer
    x = 30,987,171.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.