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Finding the Third Proportional to 4,130,028 and 8,857,914

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Solution

The third proportional to 4,130,028 and 8,857,914 is: 18,998,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,028 : 8,857,914 = 8,857,914 : x
  2. Step 2: Convert to fraction form
    4,130,028/8,857,914 = 8,857,914/x
  3. Step 3: Cross multiply
    4,130,028x = 8,857,914 × 8,857,914
  4. Step 4: Simplify right side
    4,130,028x = 78,462,640,431,396
  5. Step 5: Solve for x
    x = 78,462,640,431,396/4,130,028
  6. Step 6: Final answer
    x = 18,998,089.22

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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.