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Finding the Third Proportional to 8,729,450 and 20,577,742

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Solution

The third proportional to 8,729,450 and 20,577,742 is: 48,507,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,450 : 20,577,742 = 20,577,742 : x
  2. Step 2: Convert to fraction form
    8,729,450/20,577,742 = 20,577,742/x
  3. Step 3: Cross multiply
    8,729,450x = 20,577,742 × 20,577,742
  4. Step 4: Simplify right side
    8,729,450x = 423,443,465,818,564
  5. Step 5: Solve for x
    x = 423,443,465,818,564/8,729,450
  6. Step 6: Final answer
    x = 48,507,462.19

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.