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Finding the Third Proportional to 13,131,562 and 20,977,992

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Solution

The third proportional to 13,131,562 and 20,977,992 is: 33,512,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,562 : 20,977,992 = 20,977,992 : x
  2. Step 2: Convert to fraction form
    13,131,562/20,977,992 = 20,977,992/x
  3. Step 3: Cross multiply
    13,131,562x = 20,977,992 × 20,977,992
  4. Step 4: Simplify right side
    13,131,562x = 440,076,148,352,064
  5. Step 5: Solve for x
    x = 440,076,148,352,064/13,131,562
  6. Step 6: Final answer
    x = 33,512,856.15

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.