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Finding the Third Proportional to 13,288,281 and 20,499,081

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Solution

The third proportional to 13,288,281 and 20,499,081 is: 31,622,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,281 : 20,499,081 = 20,499,081 : x
  2. Step 2: Convert to fraction form
    13,288,281/20,499,081 = 20,499,081/x
  3. Step 3: Cross multiply
    13,288,281x = 20,499,081 × 20,499,081
  4. Step 4: Simplify right side
    13,288,281x = 420,212,321,844,561
  5. Step 5: Solve for x
    x = 420,212,321,844,561/13,288,281
  6. Step 6: Final answer
    x = 31,622,775.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.