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Finding the Third Proportional to 13,275,768 and 20,503,230

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Solution

The third proportional to 13,275,768 and 20,503,230 is: 31,665,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275,768 : 20,503,230 = 20,503,230 : x
  2. Step 2: Convert to fraction form
    13,275,768/20,503,230 = 20,503,230/x
  3. Step 3: Cross multiply
    13,275,768x = 20,503,230 × 20,503,230
  4. Step 4: Simplify right side
    13,275,768x = 420,382,440,432,900
  5. Step 5: Solve for x
    x = 420,382,440,432,900/13,275,768
  6. Step 6: Final answer
    x = 31,665,395.21

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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.