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Finding the Third Proportional to 4,066,909 and 8,764,159

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Solution

The third proportional to 4,066,909 and 8,764,159 is: 18,886,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066,909 : 8,764,159 = 8,764,159 : x
  2. Step 2: Convert to fraction form
    4,066,909/8,764,159 = 8,764,159/x
  3. Step 3: Cross multiply
    4,066,909x = 8,764,159 × 8,764,159
  4. Step 4: Simplify right side
    4,066,909x = 76,810,482,977,281
  5. Step 5: Solve for x
    x = 76,810,482,977,281/4,066,909
  6. Step 6: Final answer
    x = 18,886,698.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.