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Finding the Third Proportional to 8,729,442 and 20,577,722

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Solution

The third proportional to 8,729,442 and 20,577,722 is: 48,507,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,442 : 20,577,722 = 20,577,722 : x
  2. Step 2: Convert to fraction form
    8,729,442/20,577,722 = 20,577,722/x
  3. Step 3: Cross multiply
    8,729,442x = 20,577,722 × 20,577,722
  4. Step 4: Simplify right side
    8,729,442x = 423,442,642,709,284
  5. Step 5: Solve for x
    x = 423,442,642,709,284/8,729,442
  6. Step 6: Final answer
    x = 48,507,412.35

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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.