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Finding the Third Proportional to 13,810,448 and 20,907,608

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Solution

The third proportional to 13,810,448 and 20,907,608 is: 31,651,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810,448 : 20,907,608 = 20,907,608 : x
  2. Step 2: Convert to fraction form
    13,810,448/20,907,608 = 20,907,608/x
  3. Step 3: Cross multiply
    13,810,448x = 20,907,608 × 20,907,608
  4. Step 4: Simplify right side
    13,810,448x = 437,128,072,281,664
  5. Step 5: Solve for x
    x = 437,128,072,281,664/13,810,448
  6. Step 6: Final answer
    x = 31,651,983.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.