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Finding the Third Proportional to 13,447,300 and 20,184,720

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Solution

The third proportional to 13,447,300 and 20,184,720 is: 30,297,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,300 : 20,184,720 = 20,184,720 : x
  2. Step 2: Convert to fraction form
    13,447,300/20,184,720 = 20,184,720/x
  3. Step 3: Cross multiply
    13,447,300x = 20,184,720 × 20,184,720
  4. Step 4: Simplify right side
    13,447,300x = 407,422,921,478,400
  5. Step 5: Solve for x
    x = 407,422,921,478,400/13,447,300
  6. Step 6: Final answer
    x = 30,297,749.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.