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Finding the Third Proportional to 12,809,762 and 28,138,948

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Solution

The third proportional to 12,809,762 and 28,138,948 is: 61,812,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,762 : 28,138,948 = 28,138,948 : x
  2. Step 2: Convert to fraction form
    12,809,762/28,138,948 = 28,138,948/x
  3. Step 3: Cross multiply
    12,809,762x = 28,138,948 × 28,138,948
  4. Step 4: Simplify right side
    12,809,762x = 791,800,394,546,704
  5. Step 5: Solve for x
    x = 791,800,394,546,704/12,809,762
  6. Step 6: Final answer
    x = 61,812,264.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.