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Finding the Third Proportional to 13,209,768 and 26,790,920

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Solution

The third proportional to 13,209,768 and 26,790,920 is: 54,335,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,768 : 26,790,920 = 26,790,920 : x
  2. Step 2: Convert to fraction form
    13,209,768/26,790,920 = 26,790,920/x
  3. Step 3: Cross multiply
    13,209,768x = 26,790,920 × 26,790,920
  4. Step 4: Simplify right side
    13,209,768x = 717,753,394,446,400
  5. Step 5: Solve for x
    x = 717,753,394,446,400/13,209,768
  6. Step 6: Final answer
    x = 54,335,049.22

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.