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Finding the Third Proportional to 4,309,681 and 6,427,149

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Solution

The third proportional to 4,309,681 and 6,427,149 is: 9,584,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,681 : 6,427,149 = 6,427,149 : x
  2. Step 2: Convert to fraction form
    4,309,681/6,427,149 = 6,427,149/x
  3. Step 3: Cross multiply
    4,309,681x = 6,427,149 × 6,427,149
  4. Step 4: Simplify right side
    4,309,681x = 41,308,244,268,201
  5. Step 5: Solve for x
    x = 41,308,244,268,201/4,309,681
  6. Step 6: Final answer
    x = 9,584,988.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.