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Finding the Third Proportional to 4,130,019 and 8,857,899

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Solution

The third proportional to 4,130,019 and 8,857,899 is: 18,998,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,019 : 8,857,899 = 8,857,899 : x
  2. Step 2: Convert to fraction form
    4,130,019/8,857,899 = 8,857,899/x
  3. Step 3: Cross multiply
    4,130,019x = 8,857,899 × 8,857,899
  4. Step 4: Simplify right side
    4,130,019x = 78,462,374,694,201
  5. Step 5: Solve for x
    x = 78,462,374,694,201/4,130,019
  6. Step 6: Final answer
    x = 18,998,066.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.