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Finding the Third Proportional to 13,076,720 and 20,409,804

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Solution

The third proportional to 13,076,720 and 20,409,804 is: 31,855,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,720 : 20,409,804 = 20,409,804 : x
  2. Step 2: Convert to fraction form
    13,076,720/20,409,804 = 20,409,804/x
  3. Step 3: Cross multiply
    13,076,720x = 20,409,804 × 20,409,804
  4. Step 4: Simplify right side
    13,076,720x = 416,560,099,318,416
  5. Step 5: Solve for x
    x = 416,560,099,318,416/13,076,720
  6. Step 6: Final answer
    x = 31,855,090.52

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.